# HG changeset patch
# User cl349@firebug.cl.cam.ac.uk
# Node ID 3b9c2c410b14f55d33708c00ebb080ece760298f
# Parent 2494b4e00cbb9089aec4125e78baa534aceeb14b
Revert ia64 changes from previous checkin.
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/Kconfig
--- a/linux-2.6-xen-sparse/arch/ia64/Kconfig Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/Kconfig Thu Feb 2 19:21:18 2006
@@ -26,6 +26,10 @@
bool
default y
+config SWIOTLB
+ bool
+ default y
+
config RWSEM_XCHGADD_ALGORITHM
bool
default y
@@ -97,16 +101,23 @@
bool
default y
+config IA64_UNCACHED_ALLOCATOR
+ bool
+ select GENERIC_ALLOCATOR
+
+config DMA_IS_DMA32
+ bool
+ default y
+
choice
prompt "System type"
default IA64_GENERIC
config IA64_GENERIC
bool "generic"
+ select ACPI
select NUMA
select ACPI_NUMA
- select VIRTUAL_MEM_MAP
- select DISCONTIGMEM
help
This selects the system type of your hardware. A "generic" kernel
will run on any supported IA-64 system. However, if you configure
@@ -204,6 +215,21 @@
endchoice
+choice
+ prompt "Page Table Levels"
+ default PGTABLE_3
+
+config PGTABLE_3
+ bool "3 Levels"
+
+config PGTABLE_4
+ depends on !IA64_PAGE_SIZE_64KB
+ bool "4 Levels"
+
+endchoice
+
+source kernel/Kconfig.hz
+
config IA64_BRL_EMU
bool
depends on ITANIUM
@@ -216,40 +242,6 @@
default "6" if ITANIUM
# align cache-sensitive data to 64 bytes
-config NUMA
- bool "NUMA support"
- depends on !IA64_HP_SIM
- default y if IA64_SGI_SN2
- select ACPI_NUMA
- help
- Say Y to compile the kernel to support NUMA (Non-Uniform Memory
- Access). This option is for configuring high-end multiprocessor
- server systems. If in doubt, say N.
-
-config VIRTUAL_MEM_MAP
- bool "Virtual mem map"
- default y if !IA64_HP_SIM
- help
- Say Y to compile the kernel with support for a virtual mem map.
- This code also only takes effect if a memory hole of greater than
- 1 Gb is found during boot. You must turn this option on if you
- require the DISCONTIGMEM option for your machine. If you are
- unsure, say Y.
-
-config HOLES_IN_ZONE
- bool
- default y if VIRTUAL_MEM_MAP
-
-config DISCONTIGMEM
- bool "Discontiguous memory support"
- depends on (IA64_DIG || IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) && NUMA && VIRTUAL_MEM_MAP
- default y if (IA64_SGI_SN2 || IA64_GENERIC) && NUMA
- help
- Say Y to support efficient handling of discontiguous physical memory,
- for architectures which are either NUMA (Non-Uniform Memory Access)
- or have huge holes in the physical address space for other reasons.
- See <file:Documentation/vm/numa> for more.
-
config IA64_CYCLONE
bool "Cyclone (EXA) Time Source support"
help
@@ -261,16 +253,10 @@
depends on !IA64_HP_SIM
default y
-config IA64_SGI_SN_SIM
- bool "SGI Medusa Simulator Support"
- depends on IA64_SGI_SN2
- help
- If you are compiling a kernel that will run under SGI's IA-64
- simulator (Medusa) then say Y, otherwise say N.
-
config IA64_SGI_SN_XP
tristate "Support communication between SGI SSIs"
- depends on MSPEC
+ depends on IA64_GENERIC || IA64_SGI_SN2
+ select IA64_UNCACHED_ALLOCATOR
help
An SGI machine can be divided into multiple Single System
Images which act independently of each other and have
@@ -279,8 +265,10 @@
based on a network adapter and DMA messaging.
config FORCE_MAX_ZONEORDER
- int
- default "18"
+ int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
+ range 11 17 if !HUGETLB_PAGE
+ default "17" if HUGETLB_PAGE
+ default "11"
config SMP
bool "Symmetric multi-processing support"
@@ -301,8 +289,8 @@
If you don't know what to do here, say N.
config NR_CPUS
- int "Maximum number of CPUs (2-512)"
- range 2 512
+ int "Maximum number of CPUs (2-1024)"
+ range 2 1024
depends on SMP
default "64"
help
@@ -343,10 +331,59 @@
Say Y here if you are building a kernel for a desktop, embedded
or real-time system. Say N if you are unsure.
-config HAVE_DEC_LOCK
- bool
- depends on (SMP || PREEMPT)
- default y
+source "mm/Kconfig"
+
+config ARCH_SELECT_MEMORY_MODEL
+ def_bool y
+
+config ARCH_DISCONTIGMEM_ENABLE
+ def_bool y
+ help
+ Say Y to support efficient handling of discontiguous physical memory,
+ for architectures which are either NUMA (Non-Uniform Memory Access)
+ or have huge holes in the physical address space for other reasons.
+ See <file:Documentation/vm/numa> for more.
+
+config ARCH_FLATMEM_ENABLE
+ def_bool y
+
+config ARCH_SPARSEMEM_ENABLE
+ def_bool y
+ depends on ARCH_DISCONTIGMEM_ENABLE
+
+config ARCH_DISCONTIGMEM_DEFAULT
+ def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
+ depends on ARCH_DISCONTIGMEM_ENABLE
+
+config NUMA
+ bool "NUMA support"
+ depends on !IA64_HP_SIM && !FLATMEM
+ default y if IA64_SGI_SN2
+ help
+ Say Y to compile the kernel to support NUMA (Non-Uniform Memory
+ Access). This option is for configuring high-end multiprocessor
+ server systems. If in doubt, say N.
+
+# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
+# VIRTUAL_MEM_MAP has been retained for historical reasons.
+config VIRTUAL_MEM_MAP
+ bool "Virtual mem map"
+ depends on !SPARSEMEM
+ default y if !IA64_HP_SIM
+ help
+ Say Y to compile the kernel with support for a virtual mem map.
+ This code also only takes effect if a memory hole of greater than
+ 1 Gb is found during boot. You must turn this option on if you
+ require the DISCONTIGMEM option for your machine. If you are
+ unsure, say Y.
+
+config HOLES_IN_ZONE
+ bool
+ default y if VIRTUAL_MEM_MAP
+
+config HAVE_ARCH_EARLY_PFN_TO_NID
+ def_bool y
+ depends on NEED_MULTIPLE_NODES
config IA32_SUPPORT
bool "Support for Linux/x86 binaries"
@@ -384,11 +421,6 @@
To use this option, you have to ensure that the "/proc file system
support" (CONFIG_PROC_FS) is enabled, too.
-config ACPI_DEALLOCATE_IRQ
- bool
- depends on IOSAPIC && EXPERIMENTAL
- default y
-
source "drivers/firmware/Kconfig"
source "fs/Kconfig.binfmt"
@@ -397,35 +429,13 @@
menu "Power management and ACPI"
-config PM
- bool "Power Management support"
- depends on !IA64_HP_SIM
- default y
- help
- "Power Management" means that parts of your computer are shut
- off or put into a power conserving "sleep" mode if they are not
- being used. There are two competing standards for doing this: APM
- and ACPI. If you want to use either one, say Y here and then also
- to the requisite support below.
-
- Power Management is most important for battery powered laptop
- computers; if you have a laptop, check out the Linux Laptop home
- page on the WWW at <http://www.linux-on-laptops.com/> and the
- Battery Powered Linux mini-HOWTO, available from
- <http://www.tldp.org/docs.html#howto>.
-
- Note that, even if you say N here, Linux on the x86 architecture
- will issue the hlt instruction if nothing is to be done, thereby
- sending the processor to sleep and saving power.
-
-config ACPI
- bool
- depends on !IA64_HP_SIM
- default y
-
-if !IA64_HP_SIM
+source "kernel/power/Kconfig"
source "drivers/acpi/Kconfig"
+
+if PM
+
+source "arch/ia64/kernel/cpufreq/Kconfig"
endif
@@ -438,15 +448,8 @@
config PCI
bool "PCI support"
help
- Find out whether you have a PCI motherboard. PCI is the name of a
- bus system, i.e. the way the CPU talks to the other stuff inside
- your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
- VESA. If you have PCI, say Y, otherwise N.
-
- The PCI-HOWTO, available from
- <http://www.tldp.org/docs.html#howto>, contains valuable
- information about which PCI hardware does work under Linux and which
- doesn't.
+ Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y
+ here unless you are using a simulator without PCI support.
config PCI_DOMAINS
bool
@@ -461,6 +464,8 @@
endmenu
endif
+
+source "net/Kconfig"
source "drivers/Kconfig"
@@ -479,10 +484,28 @@
bool
default y
+config GENERIC_PENDING_IRQ
+ bool
+ depends on GENERIC_HARDIRQS && SMP
+ default y
+
source "arch/ia64/hp/sim/Kconfig"
+menu "Instrumentation Support"
+ depends on EXPERIMENTAL
+
source "arch/ia64/oprofile/Kconfig"
+config KPROBES
+ bool "Kprobes (EXPERIMENTAL)"
+ help
+ Kprobes allows you to trap at almost any kernel address and
+ execute a callback function. register_kprobe() establishes
+ a probepoint and specifies the callback. Kprobes is useful
+ for kernel debugging, non-intrusive instrumentation and testing.
+ If in doubt, say "N".
+endmenu
+
source "arch/ia64/Kconfig.debug"
source "security/Kconfig"
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/Makefile
--- a/linux-2.6-xen-sparse/arch/ia64/Makefile Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/Makefile Thu Feb 2 19:21:18 2006
@@ -10,9 +10,6 @@
NM := $(CROSS_COMPILE)nm -B
READELF := $(CROSS_COMPILE)readelf
-
-# following is temporary pending xen directory restructuring
-NOSTDINC_FLAGS += -Iinclude/asm-xen
export AWK
@@ -91,42 +88,7 @@
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
-CLEAN_FILES += include/asm-ia64/.offsets.h.stamp vmlinux.gz bootloader
-#CLEAN_FILES += include/asm-xen/xen-public include/asm-ia64/xen/asm-xsi-offsets.h
-#CLEAN_FILES += include/asm-xen/linux-public include/asm-xen/asm-ia64/hypervisor.h
-
-MRPROPER_FILES += include/asm-ia64/offsets.h
-
-prepare: include/asm-ia64/offsets.h
-
-arch/ia64/kernel/asm-offsets.s: include/asm include/linux/version.h include/config/MARKER
-
-include/asm-ia64/offsets.h: arch/ia64/kernel/asm-offsets.s
- $(call filechk,gen-asm-offsets)
-
-arch/ia64/kernel/asm-offsets.s: include/asm-ia64/.offsets.h.stamp
-
-#XEN_PATH ?= $(srctree)/../xen-ia64-unstable.hg/
-include/asm-ia64/.offsets.h.stamp:
- mkdir -p include/asm-ia64
- [ -s include/asm-ia64/offsets.h ] \
- || echo "#define IA64_TASK_SIZE 0" > include/asm-ia64/offsets.h
- touch $@
- [ -e include/asm-xen/asm ] \
- || ln -s asm-ia64 include/asm-xen/asm
-# [ -e include/asm-xen/xen-public ] \
-# || ln -s $(XEN_PATH)/xen/include/public \
-# include/asm-xen/xen-public
-# [ -e include/asm-ia64/xen/asm-xsi-offsets.h ] \
-# || ln -s $(XEN_PATH)/xen/include/asm-ia64/asm-xsi-offsets.h \
-# include/asm-ia64/xen/asm-xsi-offsets.h
-# [ -e include/asm-xen/linux-public ] \
-# || ln -s $(XEN_PATH)/linux-2.6-xen-sparse/include/asm-xen/linux-public \
- include/asm-xen/linux-public
- [ -e include/asm-xen/asm-ia64/hypervisor.h ] \
- || ln -s $(XEN_PATH)/linux-2.6-xen-sparse/include/asm-xen/asm-ia64/hypervisor.h \
- include/asm-xen/asm-ia64/hypervisor.h
-
+CLEAN_FILES += vmlinux.gz bootloader
boot: lib/lib.a vmlinux
$(Q)$(MAKE) $(build)=$(boot) $@
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/kernel/entry.S
--- a/linux-2.6-xen-sparse/arch/ia64/kernel/entry.S Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/kernel/entry.S Thu Feb 2 19:21:18 2006
@@ -37,7 +37,7 @@
#include <asm/cache.h>
#include <asm/errno.h>
#include <asm/kregs.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/percpu.h>
#include <asm/processor.h>
@@ -204,9 +204,6 @@
(p6) br.cond.dpnt .map
;;
.done:
-(p6) ssm psr.ic // if we had to map, reenable the psr.ic bit FIRST!!!
- ;;
-(p6) srlz.d
ld8 sp=[r21] // load kernel stack pointer of new task
mov IA64_KR(CURRENT)=in0 // update "current" application register
mov r8=r13 // return pointer to previously running task
@@ -234,6 +231,9 @@
mov IA64_KR(CURRENT_STACK)=r26 // remember last page we mapped...
;;
itr.d dtr[r25]=r23 // wire in new mapping...
+ ssm psr.ic // reenable the psr.ic bit
+ ;;
+ srlz.d
br.cond.sptk .done
END(__ia64_switch_to)
@@ -470,17 +470,28 @@
br.cond.sptk.many b7
END(load_switch_stack)
-GLOBAL_ENTRY(__ia64_syscall)
- .regstk 6,0,0,0
- mov r15=in5 // put syscall number in place
- break __BREAK_SYSCALL
- movl r2=errno
- cmp.eq p6,p7=-1,r10
- ;;
-(p6) st4 [r2]=r8
-(p6) mov r8=-1
+GLOBAL_ENTRY(prefetch_stack)
+ add r14 = -IA64_SWITCH_STACK_SIZE, sp
+ add r15 = IA64_TASK_THREAD_KSP_OFFSET, in0
+ ;;
+ ld8 r16 = [r15] // load next's stack pointer
+ lfetch.fault.excl [r14], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault [r16], 128
br.ret.sptk.many rp
-END(__ia64_syscall)
+END(prefetch_stack)
GLOBAL_ENTRY(execve)
mov r15=__NR_execve // put syscall number in place
@@ -640,7 +651,7 @@
* r8-r11: restored (syscall return value(s))
* r12: restored (user-level stack pointer)
* r13: restored (user-level thread pointer)
- * r14: cleared
+ * r14: set to __kernel_syscall_via_epc
* r15: restored (syscall #)
* r16-r17: cleared
* r18: user-level b6
@@ -661,7 +672,7 @@
* pr: restored (user-level pr)
* b0: restored (user-level rp)
* b6: restored
- * b7: cleared
+ * b7: set to __kernel_syscall_via_epc
* ar.unat: restored (user-level ar.unat)
* ar.pfs: restored (user-level ar.pfs)
* ar.rsc: restored (user-level ar.rsc)
@@ -707,72 +718,79 @@
;;
(p6) ld4 r31=[r18] // load current_thread_info()->flags
ld8 r19=[r2],PT(B6)-PT(LOADRS) // load ar.rsc value for "loadrs"
- mov b7=r0 // clear b7
- ;;
- ld8 r23=[r3],PT(R11)-PT(AR_BSPSTORE) // load ar.bspstore (may be garbage)
+ nop.i 0
+ ;;
+ mov r16=ar.bsp // M2 get existing backing store pointer
ld8 r18=[r2],PT(R9)-PT(B6) // load b6
(p6) and r15=TIF_WORK_MASK,r31 // any work other than TIF_SYSCALL_TRACE?
;;
- mov r16=ar.bsp // M2 get existing backing store pointer
+ ld8 r23=[r3],PT(R11)-PT(AR_BSPSTORE) // load ar.bspstore (may be garbage)
(p6) cmp4.ne.unc p6,p0=r15, r0 // any special work pending?
(p6) br.cond.spnt .work_pending_syscall
;;
// start restoring the state saved on the kernel stack (struct pt_regs):
ld8 r9=[r2],PT(CR_IPSR)-PT(R9)
ld8 r11=[r3],PT(CR_IIP)-PT(R11)
- mov f6=f0 // clear f6
+(pNonSys) break 0 // bug check: we shouldn't be here if pNonSys is TRUE!
;;
invala // M0|1 invalidate ALAT
- rsm psr.i | psr.ic // M2 initiate turning off of interrupt and interruption collection
- mov f9=f0 // clear f9
-
- ld8 r29=[r2],16 // load cr.ipsr
- ld8 r28=[r3],16 // load cr.iip
- mov f8=f0 // clear f8
+ rsm psr.i | psr.ic // M2 turn off interrupts and interruption collection
+ cmp.eq p9,p0=r0,r0 // A set p9 to indicate that we should restore cr.ifs
+
+ ld8 r29=[r2],16 // M0|1 load cr.ipsr
+ ld8 r28=[r3],16 // M0|1 load cr.iip
+ mov r22=r0 // A clear r22
;;
ld8 r30=[r2],16 // M0|1 load cr.ifs
ld8 r25=[r3],16 // M0|1 load ar.unat
- cmp.eq p9,p0=r0,r0 // set p9 to indicate that we should restore cr.ifs
+(pUStk) add r14=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13
;;
ld8 r26=[r2],PT(B0)-PT(AR_PFS) // M0|1 load ar.pfs
-(pKStk) mov r22=psr // M2 read PSR now that interrupts are disabled
- mov f10=f0 // clear f10
- ;;
- ld8 r21=[r2],PT(AR_RNAT)-PT(B0) // load b0
- ld8 r27=[r3],PT(PR)-PT(AR_RSC) // load ar.rsc
- mov f11=f0 // clear f11
- ;;
- ld8 r24=[r2],PT(AR_FPSR)-PT(AR_RNAT) // load ar.rnat (may be garbage)
- ld8 r31=[r3],PT(R1)-PT(PR) // load predicates
-(pUStk) add r14=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13
- ;;
- ld8 r20=[r2],PT(R12)-PT(AR_FPSR) // load ar.fpsr
- ld8.fill r1=[r3],16 // load r1
-(pUStk) mov r17=1
- ;;
- srlz.d // M0 ensure interruption collection is off
- ld8.fill r13=[r3],16
- mov f7=f0 // clear f7
- ;;
- ld8.fill r12=[r2] // restore r12 (sp)
- mov.m ar.ssd=r0 // M2 clear ar.ssd
- mov r22=r0 // clear r22
-
- ld8.fill r15=[r3] // restore r15
-(pUStk) st1 [r14]=r17
- addl r3=THIS_CPU(ia64_phys_stacked_size_p8),r0
- ;;
-(pUStk) ld4 r17=[r3] // r17 = cpu_data->phys_stacked_size_p8
- mov.m ar.csd=r0 // M2 clear ar.csd
- mov b6=r18 // I0 restore b6
- ;;
- mov r14=r0 // clear r14
- shr.u r18=r19,16 // I0|1 get byte size of existing "dirty" partition
-(pKStk) br.cond.dpnt.many skip_rbs_switch
-
- mov.m ar.ccv=r0 // clear ar.ccv
-(pNonSys) br.cond.dpnt.many dont_preserve_current_frame
- br.cond.sptk.many rbs_switch
+(pKStk) mov r22=psr // M2 read PSR now that interrupts are disabled
+ nop 0
+ ;;
+ ld8 r21=[r2],PT(AR_RNAT)-PT(B0) // M0|1 load b0
+ ld8 r27=[r3],PT(PR)-PT(AR_RSC) // M0|1 load ar.rsc
+ mov f6=f0 // F clear f6
+ ;;
+ ld8 r24=[r2],PT(AR_FPSR)-PT(AR_RNAT) // M0|1 load ar.rnat (may be garbage)
+ ld8 r31=[r3],PT(R1)-PT(PR) // M0|1 load predicates
+ mov f7=f0 // F clear f7
+ ;;
+ ld8 r20=[r2],PT(R12)-PT(AR_FPSR) // M0|1 load ar.fpsr
+ ld8.fill r1=[r3],16 // M0|1 load r1
+(pUStk) mov r17=1 // A
+ ;;
+(pUStk) st1 [r14]=r17 // M2|3
+ ld8.fill r13=[r3],16 // M0|1
+ mov f8=f0 // F clear f8
+ ;;
+ ld8.fill r12=[r2] // M0|1 restore r12 (sp)
+ ld8.fill r15=[r3] // M0|1 restore r15
+ mov b6=r18 // I0 restore b6
+
+ addl r17=THIS_CPU(ia64_phys_stacked_size_p8),r0 // A
+ mov f9=f0 // F clear f9
+(pKStk) br.cond.dpnt.many skip_rbs_switch // B
+
+ srlz.d // M0 ensure interruption collection is off (for cover)
+ shr.u r18=r19,16 // I0|1 get byte size of existing "dirty" partition
+ cover // B add current frame into dirty partition & set cr.ifs
+ ;;
+(pUStk) ld4 r17=[r17] // M0|1 r17 = cpu_data->phys_stacked_size_p8
+ mov r19=ar.bsp // M2 get new backing store pointer
+ mov f10=f0 // F clear f10
+
+ nop.m 0
+ movl r14=__kernel_syscall_via_epc // X
+ ;;
+ mov.m ar.csd=r0 // M2 clear ar.csd
+ mov.m ar.ccv=r0 // M2 clear ar.ccv
+ mov b7=r14 // I0 clear b7 (hint with __kernel_syscall_via_epc)
+
+ mov.m ar.ssd=r0 // M2 clear ar.ssd
+ mov f11=f0 // F clear f11
+ br.cond.sptk.many rbs_switch // B
END(__ia64_leave_syscall)
#ifdef CONFIG_IA32_SUPPORT
@@ -891,7 +909,7 @@
ldf.fill f7=[r2],PT(F11)-PT(F7)
ldf.fill f8=[r3],32
;;
- srlz.i // ensure interruption collection is off
+ srlz.d // ensure that inter. collection is off (VHPT is don't care, since text is pinned)
mov ar.ccv=r15
;;
ldf.fill f11=[r2]
@@ -951,11 +969,10 @@
* NOTE: alloc, loadrs, and cover can't be predicated.
*/
(pNonSys) br.cond.dpnt dont_preserve_current_frame
-
+ cover // add current frame into dirty partition and set cr.ifs
+ ;;
+ mov r19=ar.bsp // get new backing store pointer
rbs_switch:
- cover // add current frame into dirty partition and set cr.ifs
- ;;
- mov r19=ar.bsp // get new backing store pointer
sub r16=r16,r18 // krbs = old bsp - size of dirty partition
cmp.ne p9,p0=r0,r0 // clear p9 to skip restore of cr.ifs
;;
@@ -1030,14 +1047,14 @@
mov loc5=0
mov loc6=0
mov loc7=0
-(pRecurse) br.call.sptk.few b0=rse_clear_invalid
+(pRecurse) br.call.dptk.few b0=rse_clear_invalid
;;
mov loc8=0
mov loc9=0
cmp.ne pReturn,p0=r0,in1 // if recursion count != 0, we need to do a br.ret
mov loc10=0
mov loc11=0
-(pReturn) br.ret.sptk.many b0
+(pReturn) br.ret.dptk.many b0
#endif /* !CONFIG_ITANIUM */
# undef pRecurse
# undef pReturn
@@ -1261,7 +1278,7 @@
stf.spill [r17]=f11
adds out0=16,sp // out0 = &sigscratch
br.call.sptk.many rp=ia64_rt_sigreturn
-.ret19: .restore sp 0
+.ret19: .restore sp,0
adds sp=16,sp
;;
ld8 r9=[sp] // load new ar.unat
@@ -1583,11 +1600,11 @@
data8 sys_add_key
data8 sys_request_key
data8 sys_keyctl
+ data8 sys_ioprio_set
+ data8 sys_ioprio_get // 1275
data8 sys_ni_syscall
- data8 sys_ni_syscall // 1275
- data8 sys_ni_syscall
- data8 sys_ni_syscall
- data8 sys_ni_syscall
- data8 sys_ni_syscall
+ data8 sys_inotify_init
+ data8 sys_inotify_add_watch
+ data8 sys_inotify_rm_watch
.org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/kernel/head.S
--- a/linux-2.6-xen-sparse/arch/ia64/kernel/head.S Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/kernel/head.S Thu Feb 2 19:21:18 2006
@@ -25,7 +25,7 @@
#include <asm/fpu.h>
#include <asm/kregs.h>
#include <asm/mmu_context.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/pal.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/kernel/setup.c
--- a/linux-2.6-xen-sparse/arch/ia64/kernel/setup.c Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/kernel/setup.c Thu Feb 2 19:21:18 2006
@@ -20,6 +20,7 @@
* 02/01/00 R.Seth fixed get_cpuinfo for SMP
* 01/07/99 S.Eranian added the support for command line argument
* 06/24/99 W.Drummond added boot_cpu_data.
+ * 05/28/05 Z. Menyhart Dynamic stride size for "flush_icache_range()"
*/
#include <linux/config.h>
#include <linux/module.h>
@@ -40,6 +41,8 @@
#include <linux/serial_core.h>
#include <linux/efi.h>
#include <linux/initrd.h>
+#include <linux/platform.h>
+#include <linux/pm.h>
#include <asm/ia32.h>
#include <asm/machvec.h>
@@ -72,13 +75,42 @@
unsigned long ia64_cycles_per_usec;
struct ia64_boot_param *ia64_boot_param;
struct screen_info screen_info;
+unsigned long vga_console_iobase;
+unsigned long vga_console_membase;
+
+static struct resource data_resource = {
+ .name = "Kernel data",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+
+static struct resource code_resource = {
+ .name = "Kernel code",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+extern void efi_initialize_iomem_resources(struct resource *,
+ struct resource *);
+extern char _text[], _end[], _etext[];
unsigned long ia64_max_cacheline_size;
+
+int dma_get_cache_alignment(void)
+{
+ return ia64_max_cacheline_size;
+}
+EXPORT_SYMBOL(dma_get_cache_alignment);
+
unsigned long ia64_iobase; /* virtual address for I/O accesses */
EXPORT_SYMBOL(ia64_iobase);
struct io_space io_space[MAX_IO_SPACES];
EXPORT_SYMBOL(io_space);
unsigned int num_io_spaces;
+
+/*
+ * "flush_icache_range()" needs to know what processor dependent stride size to use
+ * when it makes i-cache(s) coherent with d-caches.
+ */
+#define I_CACHE_STRIDE_SHIFT 5 /* Safest way to go: 32 bytes by 32 bytes */
+unsigned long ia64_i_cache_stride_shift = ~0;
/*
* The merge_mask variable needs to be set to (max(iommu_page_size(iommu)) - 1). This
@@ -159,6 +191,22 @@
}
}
+/*
+ * Request address space for all standard resources
+ */
+static int __init register_memory(void)
+{
+ code_resource.start = ia64_tpa(_text);
+ code_resource.end = ia64_tpa(_etext) - 1;
+ data_resource.start = ia64_tpa(_etext);
+ data_resource.end = ia64_tpa(_end) - 1;
+ efi_initialize_iomem_resources(&code_resource, &data_resource);
+
+ return 0;
+}
+
+__initcall(register_memory);
+
/**
* reserve_memory - setup reserved memory areas
*
@@ -199,6 +247,9 @@
}
#endif
+ efi_memmap_init(&rsvd_region[n].start, &rsvd_region[n].end);
+ n++;
+
/* end of memory marker */
rsvd_region[n].start = ~0UL;
rsvd_region[n].end = ~0UL;
@@ -232,28 +283,31 @@
static void __init
io_port_init (void)
{
- extern unsigned long ia64_iobase;
unsigned long phys_iobase;
/*
- * Set `iobase' to the appropriate address in region 6 (uncached access range).
+ * Set `iobase' based on the EFI memory map or, failing that, the
+ * value firmware left in ar.k0.
*
- * The EFI memory map is the "preferred" location to get the I/O port space base,
- * rather the relying on AR.KR0. This should become more clear in future SAL
- * specs. We'll fall back to getting it out of AR.KR0 if no appropriate entry is
- * found in the memory map.
+ * Note that in ia32 mode, IN/OUT instructions use ar.k0 to compute
+ * the port's virtual address, so ia32_load_state() loads it with a
+ * user virtual address. But in ia64 mode, glibc uses the
+ * *physical* address in ar.k0 to mmap the appropriate area from
+ * /dev/mem, and the inX()/outX() interfaces use MMIO. In both
+ * cases, user-mode can only use the legacy 0-64K I/O port space.
+ *
+ * ar.k0 is not involved in kernel I/O port accesses, which can use
+ * any of the I/O port spaces and are done via MMIO using the
+ * virtual mmio_base from the appropriate io_space[].
*/
phys_iobase = efi_get_iobase();
- if (phys_iobase)
- /* set AR.KR0 since this is all we use it for anyway */
- ia64_set_kr(IA64_KR_IO_BASE, phys_iobase);
- else {
+ if (!phys_iobase) {
phys_iobase = ia64_get_kr(IA64_KR_IO_BASE);
- printk(KERN_INFO "No I/O port range found in EFI memory map, falling back "
- "to AR.KR0\n");
- printk(KERN_INFO "I/O port base = 0x%lx\n", phys_iobase);
+ printk(KERN_INFO "No I/O port range found in EFI memory map, "
+ "falling back to AR.KR0 (0x%lx)\n", phys_iobase);
}
ia64_iobase = (unsigned long) ioremap(phys_iobase, 0);
+ ia64_set_kr(IA64_KR_IO_BASE, __pa(ia64_iobase));
/* setup legacy IO port space */
io_space[0].mmio_base = ia64_iobase;
@@ -273,26 +327,29 @@
static inline int __init
early_console_setup (char *cmdline)
{
+ int earlycons = 0;
+
#ifdef CONFIG_XEN
- if (!early_xen_console_setup(cmdline)) return 0;
+ if (!early_xen_console_setup(cmdline))
+ earlycons++;
#endif
#ifdef CONFIG_SERIAL_SGI_L1_CONSOLE
{
extern int sn_serial_console_early_setup(void);
if (!sn_serial_console_early_setup())
- return 0;
+ earlycons++;
}
#endif
#ifdef CONFIG_EFI_PCDP
if (!efi_setup_pcdp_console(cmdline))
- return 0;
+ earlycons++;
#endif
#ifdef CONFIG_SERIAL_8250_CONSOLE
if (!early_serial_console_init(cmdline))
- return 0;
-#endif
-
- return -1;
+ earlycons++;
+#endif
+
+ return (earlycons) ? 0 : -1;
}
static inline void
@@ -373,7 +430,7 @@
if (early_console_setup(*cmdline_p) == 0)
mark_bsp_online();
-#ifdef CONFIG_ACPI_BOOT
+#ifdef CONFIG_ACPI
/* Initialize the ACPI boot-time table parser */
acpi_table_init();
# ifdef CONFIG_ACPI_NUMA
@@ -408,8 +465,9 @@
#endif
cpu_init(); /* initialize the bootstrap CPU */
-
-#ifdef CONFIG_ACPI_BOOT
+ mmu_context_init(); /* initialize context_id bitmap */
+
+#ifdef CONFIG_ACPI
acpi_boot_init();
#endif
@@ -515,7 +573,7 @@
c->itc_freq / 1000000, c->itc_freq % 1000000,
lpj*HZ/500000, (lpj*HZ/5000) % 100);
#ifdef CONFIG_SMP
- seq_printf(m, "siblings : %u\n", c->num_log);
+ seq_printf(m, "siblings : %u\n", cpus_weight(cpu_core_map[cpunum]));
if (c->threads_per_core > 1 || c->cores_per_socket > 1)
seq_printf(m,
"physical id: %u\n"
@@ -625,6 +683,12 @@
/* start_kernel() requires this... */
}
+/*
+ * Calculate the max. cache line size.
+ *
+ * In addition, the minimum of the i-cache stride sizes is calculated for
+ * "flush_icache_range()".
+ */
static void
get_max_cacheline_size (void)
{
@@ -638,6 +702,8 @@
printk(KERN_ERR "%s: ia64_pal_cache_summary() failed (status=%ld)\n",
__FUNCTION__, status);
max = SMP_CACHE_BYTES;
+ /* Safest setup for "flush_icache_range()" */
+ ia64_i_cache_stride_shift = I_CACHE_STRIDE_SHIFT;
goto out;
}
@@ -646,14 +712,31 @@
&cci);
if (status != 0) {
printk(KERN_ERR
- "%s: ia64_pal_cache_config_info(l=%lu) failed (status=%ld)\n",
+ "%s: ia64_pal_cache_config_info(l=%lu, 2) failed (status=%ld)\n",
__FUNCTION__, l, status);
max = SMP_CACHE_BYTES;
+ /* The safest setup for "flush_icache_range()" */
+ cci.pcci_stride = I_CACHE_STRIDE_SHIFT;
+ cci.pcci_unified = 1;
}
line_size = 1 << cci.pcci_line_size;
if (line_size > max)
max = line_size;
- }
+ if (!cci.pcci_unified) {
+ status = ia64_pal_cache_config_info(l,
+ /* cache_type (instruction)= */ 1,
+ &cci);
+ if (status != 0) {
+ printk(KERN_ERR
+ "%s: ia64_pal_cache_config_info(l=%lu, 1) failed (status=%ld)\n",
+ __FUNCTION__, l, status);
+ /* The safest setup for "flush_icache_range()" */
+ cci.pcci_stride = I_CACHE_STRIDE_SHIFT;
+ }
+ }
+ if (cci.pcci_stride < ia64_i_cache_stride_shift)
+ ia64_i_cache_stride_shift = cci.pcci_stride;
+ }
out:
if (max > ia64_max_cacheline_size)
ia64_max_cacheline_size = max;
@@ -782,6 +865,7 @@
/* size of physical stacked register partition plus 8 bytes: */
__get_cpu_var(ia64_phys_stacked_size_p8) = num_phys_stacked*8 + 8;
platform_cpu_init();
+ pm_idle = default_idle;
}
void
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/xen-mkbuildtree-pre
--- a/linux-2.6-xen-sparse/arch/ia64/xen-mkbuildtree-pre Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/xen-mkbuildtree-pre Thu Feb 2 19:21:18 2006
@@ -13,10 +13,10 @@
mv net net.xen-x86
mv kernel kernel.xen-x86
mv drivers/acpi/tables.c drivers/acpi/tables.c.xen-x86
- mv arch/xen/kernel drivers/xen/core
- mv arch/xen arch/xen.xen-x86
- mkdir arch/xen
- mv arch/xen.xen-x86/configs arch/xen
+# mv arch/xen/kernel drivers/xen/core
+# mv arch/xen arch/xen.xen-x86
+# mkdir arch/xen
+# mv arch/xen.xen-x86/configs arch/xen
# mv include/asm-generic include/asm-generic.xen-x86
mv include/linux include/linux.xen-x86
mkdir include/linux
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/xen/drivers/evtchn_ia64.c
--- a/linux-2.6-xen-sparse/arch/ia64/xen/drivers/evtchn_ia64.c Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/xen/drivers/evtchn_ia64.c Thu Feb 2 19:21:18 2006
@@ -4,7 +4,7 @@
#include <linux/config.h>
#include <linux/kernel.h>
#include <asm/hw_irq.h>
-#include <asm-xen/evtchn.h>
+#include <xen/evtchn.h>
#define MAX_EVTCHN 1024
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/xen/xenentry.S
--- a/linux-2.6-xen-sparse/arch/ia64/xen/xenentry.S Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/xen/xenentry.S Thu Feb 2 19:21:18 2006
@@ -14,7 +14,7 @@
#include <asm/cache.h>
#include <asm/errno.h>
#include <asm/kregs.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/percpu.h>
#include <asm/processor.h>
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/xen/xenivt.S
--- a/linux-2.6-xen-sparse/arch/ia64/xen/xenivt.S Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/xen/xenivt.S Thu Feb 2 19:21:18 2006
@@ -35,7 +35,7 @@
#include <asm/break.h>
#include <asm/ia32.h>
#include <asm/kregs.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#include <asm/ptrace.h>
_______________________________________________
Xen-changelog mailing list
Xen-changelog@lists.xensource.com
http://lists.xensource.com/xen-changelog
# User cl349@firebug.cl.cam.ac.uk
# Node ID 3b9c2c410b14f55d33708c00ebb080ece760298f
# Parent 2494b4e00cbb9089aec4125e78baa534aceeb14b
Revert ia64 changes from previous checkin.
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/Kconfig
--- a/linux-2.6-xen-sparse/arch/ia64/Kconfig Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/Kconfig Thu Feb 2 19:21:18 2006
@@ -26,6 +26,10 @@
bool
default y
+config SWIOTLB
+ bool
+ default y
+
config RWSEM_XCHGADD_ALGORITHM
bool
default y
@@ -97,16 +101,23 @@
bool
default y
+config IA64_UNCACHED_ALLOCATOR
+ bool
+ select GENERIC_ALLOCATOR
+
+config DMA_IS_DMA32
+ bool
+ default y
+
choice
prompt "System type"
default IA64_GENERIC
config IA64_GENERIC
bool "generic"
+ select ACPI
select NUMA
select ACPI_NUMA
- select VIRTUAL_MEM_MAP
- select DISCONTIGMEM
help
This selects the system type of your hardware. A "generic" kernel
will run on any supported IA-64 system. However, if you configure
@@ -204,6 +215,21 @@
endchoice
+choice
+ prompt "Page Table Levels"
+ default PGTABLE_3
+
+config PGTABLE_3
+ bool "3 Levels"
+
+config PGTABLE_4
+ depends on !IA64_PAGE_SIZE_64KB
+ bool "4 Levels"
+
+endchoice
+
+source kernel/Kconfig.hz
+
config IA64_BRL_EMU
bool
depends on ITANIUM
@@ -216,40 +242,6 @@
default "6" if ITANIUM
# align cache-sensitive data to 64 bytes
-config NUMA
- bool "NUMA support"
- depends on !IA64_HP_SIM
- default y if IA64_SGI_SN2
- select ACPI_NUMA
- help
- Say Y to compile the kernel to support NUMA (Non-Uniform Memory
- Access). This option is for configuring high-end multiprocessor
- server systems. If in doubt, say N.
-
-config VIRTUAL_MEM_MAP
- bool "Virtual mem map"
- default y if !IA64_HP_SIM
- help
- Say Y to compile the kernel with support for a virtual mem map.
- This code also only takes effect if a memory hole of greater than
- 1 Gb is found during boot. You must turn this option on if you
- require the DISCONTIGMEM option for your machine. If you are
- unsure, say Y.
-
-config HOLES_IN_ZONE
- bool
- default y if VIRTUAL_MEM_MAP
-
-config DISCONTIGMEM
- bool "Discontiguous memory support"
- depends on (IA64_DIG || IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) && NUMA && VIRTUAL_MEM_MAP
- default y if (IA64_SGI_SN2 || IA64_GENERIC) && NUMA
- help
- Say Y to support efficient handling of discontiguous physical memory,
- for architectures which are either NUMA (Non-Uniform Memory Access)
- or have huge holes in the physical address space for other reasons.
- See <file:Documentation/vm/numa> for more.
-
config IA64_CYCLONE
bool "Cyclone (EXA) Time Source support"
help
@@ -261,16 +253,10 @@
depends on !IA64_HP_SIM
default y
-config IA64_SGI_SN_SIM
- bool "SGI Medusa Simulator Support"
- depends on IA64_SGI_SN2
- help
- If you are compiling a kernel that will run under SGI's IA-64
- simulator (Medusa) then say Y, otherwise say N.
-
config IA64_SGI_SN_XP
tristate "Support communication between SGI SSIs"
- depends on MSPEC
+ depends on IA64_GENERIC || IA64_SGI_SN2
+ select IA64_UNCACHED_ALLOCATOR
help
An SGI machine can be divided into multiple Single System
Images which act independently of each other and have
@@ -279,8 +265,10 @@
based on a network adapter and DMA messaging.
config FORCE_MAX_ZONEORDER
- int
- default "18"
+ int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
+ range 11 17 if !HUGETLB_PAGE
+ default "17" if HUGETLB_PAGE
+ default "11"
config SMP
bool "Symmetric multi-processing support"
@@ -301,8 +289,8 @@
If you don't know what to do here, say N.
config NR_CPUS
- int "Maximum number of CPUs (2-512)"
- range 2 512
+ int "Maximum number of CPUs (2-1024)"
+ range 2 1024
depends on SMP
default "64"
help
@@ -343,10 +331,59 @@
Say Y here if you are building a kernel for a desktop, embedded
or real-time system. Say N if you are unsure.
-config HAVE_DEC_LOCK
- bool
- depends on (SMP || PREEMPT)
- default y
+source "mm/Kconfig"
+
+config ARCH_SELECT_MEMORY_MODEL
+ def_bool y
+
+config ARCH_DISCONTIGMEM_ENABLE
+ def_bool y
+ help
+ Say Y to support efficient handling of discontiguous physical memory,
+ for architectures which are either NUMA (Non-Uniform Memory Access)
+ or have huge holes in the physical address space for other reasons.
+ See <file:Documentation/vm/numa> for more.
+
+config ARCH_FLATMEM_ENABLE
+ def_bool y
+
+config ARCH_SPARSEMEM_ENABLE
+ def_bool y
+ depends on ARCH_DISCONTIGMEM_ENABLE
+
+config ARCH_DISCONTIGMEM_DEFAULT
+ def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
+ depends on ARCH_DISCONTIGMEM_ENABLE
+
+config NUMA
+ bool "NUMA support"
+ depends on !IA64_HP_SIM && !FLATMEM
+ default y if IA64_SGI_SN2
+ help
+ Say Y to compile the kernel to support NUMA (Non-Uniform Memory
+ Access). This option is for configuring high-end multiprocessor
+ server systems. If in doubt, say N.
+
+# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
+# VIRTUAL_MEM_MAP has been retained for historical reasons.
+config VIRTUAL_MEM_MAP
+ bool "Virtual mem map"
+ depends on !SPARSEMEM
+ default y if !IA64_HP_SIM
+ help
+ Say Y to compile the kernel with support for a virtual mem map.
+ This code also only takes effect if a memory hole of greater than
+ 1 Gb is found during boot. You must turn this option on if you
+ require the DISCONTIGMEM option for your machine. If you are
+ unsure, say Y.
+
+config HOLES_IN_ZONE
+ bool
+ default y if VIRTUAL_MEM_MAP
+
+config HAVE_ARCH_EARLY_PFN_TO_NID
+ def_bool y
+ depends on NEED_MULTIPLE_NODES
config IA32_SUPPORT
bool "Support for Linux/x86 binaries"
@@ -384,11 +421,6 @@
To use this option, you have to ensure that the "/proc file system
support" (CONFIG_PROC_FS) is enabled, too.
-config ACPI_DEALLOCATE_IRQ
- bool
- depends on IOSAPIC && EXPERIMENTAL
- default y
-
source "drivers/firmware/Kconfig"
source "fs/Kconfig.binfmt"
@@ -397,35 +429,13 @@
menu "Power management and ACPI"
-config PM
- bool "Power Management support"
- depends on !IA64_HP_SIM
- default y
- help
- "Power Management" means that parts of your computer are shut
- off or put into a power conserving "sleep" mode if they are not
- being used. There are two competing standards for doing this: APM
- and ACPI. If you want to use either one, say Y here and then also
- to the requisite support below.
-
- Power Management is most important for battery powered laptop
- computers; if you have a laptop, check out the Linux Laptop home
- page on the WWW at <http://www.linux-on-laptops.com/> and the
- Battery Powered Linux mini-HOWTO, available from
- <http://www.tldp.org/docs.html#howto>.
-
- Note that, even if you say N here, Linux on the x86 architecture
- will issue the hlt instruction if nothing is to be done, thereby
- sending the processor to sleep and saving power.
-
-config ACPI
- bool
- depends on !IA64_HP_SIM
- default y
-
-if !IA64_HP_SIM
+source "kernel/power/Kconfig"
source "drivers/acpi/Kconfig"
+
+if PM
+
+source "arch/ia64/kernel/cpufreq/Kconfig"
endif
@@ -438,15 +448,8 @@
config PCI
bool "PCI support"
help
- Find out whether you have a PCI motherboard. PCI is the name of a
- bus system, i.e. the way the CPU talks to the other stuff inside
- your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
- VESA. If you have PCI, say Y, otherwise N.
-
- The PCI-HOWTO, available from
- <http://www.tldp.org/docs.html#howto>, contains valuable
- information about which PCI hardware does work under Linux and which
- doesn't.
+ Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y
+ here unless you are using a simulator without PCI support.
config PCI_DOMAINS
bool
@@ -461,6 +464,8 @@
endmenu
endif
+
+source "net/Kconfig"
source "drivers/Kconfig"
@@ -479,10 +484,28 @@
bool
default y
+config GENERIC_PENDING_IRQ
+ bool
+ depends on GENERIC_HARDIRQS && SMP
+ default y
+
source "arch/ia64/hp/sim/Kconfig"
+menu "Instrumentation Support"
+ depends on EXPERIMENTAL
+
source "arch/ia64/oprofile/Kconfig"
+config KPROBES
+ bool "Kprobes (EXPERIMENTAL)"
+ help
+ Kprobes allows you to trap at almost any kernel address and
+ execute a callback function. register_kprobe() establishes
+ a probepoint and specifies the callback. Kprobes is useful
+ for kernel debugging, non-intrusive instrumentation and testing.
+ If in doubt, say "N".
+endmenu
+
source "arch/ia64/Kconfig.debug"
source "security/Kconfig"
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/Makefile
--- a/linux-2.6-xen-sparse/arch/ia64/Makefile Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/Makefile Thu Feb 2 19:21:18 2006
@@ -10,9 +10,6 @@
NM := $(CROSS_COMPILE)nm -B
READELF := $(CROSS_COMPILE)readelf
-
-# following is temporary pending xen directory restructuring
-NOSTDINC_FLAGS += -Iinclude/asm-xen
export AWK
@@ -91,42 +88,7 @@
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
-CLEAN_FILES += include/asm-ia64/.offsets.h.stamp vmlinux.gz bootloader
-#CLEAN_FILES += include/asm-xen/xen-public include/asm-ia64/xen/asm-xsi-offsets.h
-#CLEAN_FILES += include/asm-xen/linux-public include/asm-xen/asm-ia64/hypervisor.h
-
-MRPROPER_FILES += include/asm-ia64/offsets.h
-
-prepare: include/asm-ia64/offsets.h
-
-arch/ia64/kernel/asm-offsets.s: include/asm include/linux/version.h include/config/MARKER
-
-include/asm-ia64/offsets.h: arch/ia64/kernel/asm-offsets.s
- $(call filechk,gen-asm-offsets)
-
-arch/ia64/kernel/asm-offsets.s: include/asm-ia64/.offsets.h.stamp
-
-#XEN_PATH ?= $(srctree)/../xen-ia64-unstable.hg/
-include/asm-ia64/.offsets.h.stamp:
- mkdir -p include/asm-ia64
- [ -s include/asm-ia64/offsets.h ] \
- || echo "#define IA64_TASK_SIZE 0" > include/asm-ia64/offsets.h
- touch $@
- [ -e include/asm-xen/asm ] \
- || ln -s asm-ia64 include/asm-xen/asm
-# [ -e include/asm-xen/xen-public ] \
-# || ln -s $(XEN_PATH)/xen/include/public \
-# include/asm-xen/xen-public
-# [ -e include/asm-ia64/xen/asm-xsi-offsets.h ] \
-# || ln -s $(XEN_PATH)/xen/include/asm-ia64/asm-xsi-offsets.h \
-# include/asm-ia64/xen/asm-xsi-offsets.h
-# [ -e include/asm-xen/linux-public ] \
-# || ln -s $(XEN_PATH)/linux-2.6-xen-sparse/include/asm-xen/linux-public \
- include/asm-xen/linux-public
- [ -e include/asm-xen/asm-ia64/hypervisor.h ] \
- || ln -s $(XEN_PATH)/linux-2.6-xen-sparse/include/asm-xen/asm-ia64/hypervisor.h \
- include/asm-xen/asm-ia64/hypervisor.h
-
+CLEAN_FILES += vmlinux.gz bootloader
boot: lib/lib.a vmlinux
$(Q)$(MAKE) $(build)=$(boot) $@
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/kernel/entry.S
--- a/linux-2.6-xen-sparse/arch/ia64/kernel/entry.S Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/kernel/entry.S Thu Feb 2 19:21:18 2006
@@ -37,7 +37,7 @@
#include <asm/cache.h>
#include <asm/errno.h>
#include <asm/kregs.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/percpu.h>
#include <asm/processor.h>
@@ -204,9 +204,6 @@
(p6) br.cond.dpnt .map
;;
.done:
-(p6) ssm psr.ic // if we had to map, reenable the psr.ic bit FIRST!!!
- ;;
-(p6) srlz.d
ld8 sp=[r21] // load kernel stack pointer of new task
mov IA64_KR(CURRENT)=in0 // update "current" application register
mov r8=r13 // return pointer to previously running task
@@ -234,6 +231,9 @@
mov IA64_KR(CURRENT_STACK)=r26 // remember last page we mapped...
;;
itr.d dtr[r25]=r23 // wire in new mapping...
+ ssm psr.ic // reenable the psr.ic bit
+ ;;
+ srlz.d
br.cond.sptk .done
END(__ia64_switch_to)
@@ -470,17 +470,28 @@
br.cond.sptk.many b7
END(load_switch_stack)
-GLOBAL_ENTRY(__ia64_syscall)
- .regstk 6,0,0,0
- mov r15=in5 // put syscall number in place
- break __BREAK_SYSCALL
- movl r2=errno
- cmp.eq p6,p7=-1,r10
- ;;
-(p6) st4 [r2]=r8
-(p6) mov r8=-1
+GLOBAL_ENTRY(prefetch_stack)
+ add r14 = -IA64_SWITCH_STACK_SIZE, sp
+ add r15 = IA64_TASK_THREAD_KSP_OFFSET, in0
+ ;;
+ ld8 r16 = [r15] // load next's stack pointer
+ lfetch.fault.excl [r14], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault.excl [r14], 128
+ lfetch.fault [r16], 128
+ ;;
+ lfetch.fault [r16], 128
br.ret.sptk.many rp
-END(__ia64_syscall)
+END(prefetch_stack)
GLOBAL_ENTRY(execve)
mov r15=__NR_execve // put syscall number in place
@@ -640,7 +651,7 @@
* r8-r11: restored (syscall return value(s))
* r12: restored (user-level stack pointer)
* r13: restored (user-level thread pointer)
- * r14: cleared
+ * r14: set to __kernel_syscall_via_epc
* r15: restored (syscall #)
* r16-r17: cleared
* r18: user-level b6
@@ -661,7 +672,7 @@
* pr: restored (user-level pr)
* b0: restored (user-level rp)
* b6: restored
- * b7: cleared
+ * b7: set to __kernel_syscall_via_epc
* ar.unat: restored (user-level ar.unat)
* ar.pfs: restored (user-level ar.pfs)
* ar.rsc: restored (user-level ar.rsc)
@@ -707,72 +718,79 @@
;;
(p6) ld4 r31=[r18] // load current_thread_info()->flags
ld8 r19=[r2],PT(B6)-PT(LOADRS) // load ar.rsc value for "loadrs"
- mov b7=r0 // clear b7
- ;;
- ld8 r23=[r3],PT(R11)-PT(AR_BSPSTORE) // load ar.bspstore (may be garbage)
+ nop.i 0
+ ;;
+ mov r16=ar.bsp // M2 get existing backing store pointer
ld8 r18=[r2],PT(R9)-PT(B6) // load b6
(p6) and r15=TIF_WORK_MASK,r31 // any work other than TIF_SYSCALL_TRACE?
;;
- mov r16=ar.bsp // M2 get existing backing store pointer
+ ld8 r23=[r3],PT(R11)-PT(AR_BSPSTORE) // load ar.bspstore (may be garbage)
(p6) cmp4.ne.unc p6,p0=r15, r0 // any special work pending?
(p6) br.cond.spnt .work_pending_syscall
;;
// start restoring the state saved on the kernel stack (struct pt_regs):
ld8 r9=[r2],PT(CR_IPSR)-PT(R9)
ld8 r11=[r3],PT(CR_IIP)-PT(R11)
- mov f6=f0 // clear f6
+(pNonSys) break 0 // bug check: we shouldn't be here if pNonSys is TRUE!
;;
invala // M0|1 invalidate ALAT
- rsm psr.i | psr.ic // M2 initiate turning off of interrupt and interruption collection
- mov f9=f0 // clear f9
-
- ld8 r29=[r2],16 // load cr.ipsr
- ld8 r28=[r3],16 // load cr.iip
- mov f8=f0 // clear f8
+ rsm psr.i | psr.ic // M2 turn off interrupts and interruption collection
+ cmp.eq p9,p0=r0,r0 // A set p9 to indicate that we should restore cr.ifs
+
+ ld8 r29=[r2],16 // M0|1 load cr.ipsr
+ ld8 r28=[r3],16 // M0|1 load cr.iip
+ mov r22=r0 // A clear r22
;;
ld8 r30=[r2],16 // M0|1 load cr.ifs
ld8 r25=[r3],16 // M0|1 load ar.unat
- cmp.eq p9,p0=r0,r0 // set p9 to indicate that we should restore cr.ifs
+(pUStk) add r14=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13
;;
ld8 r26=[r2],PT(B0)-PT(AR_PFS) // M0|1 load ar.pfs
-(pKStk) mov r22=psr // M2 read PSR now that interrupts are disabled
- mov f10=f0 // clear f10
- ;;
- ld8 r21=[r2],PT(AR_RNAT)-PT(B0) // load b0
- ld8 r27=[r3],PT(PR)-PT(AR_RSC) // load ar.rsc
- mov f11=f0 // clear f11
- ;;
- ld8 r24=[r2],PT(AR_FPSR)-PT(AR_RNAT) // load ar.rnat (may be garbage)
- ld8 r31=[r3],PT(R1)-PT(PR) // load predicates
-(pUStk) add r14=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13
- ;;
- ld8 r20=[r2],PT(R12)-PT(AR_FPSR) // load ar.fpsr
- ld8.fill r1=[r3],16 // load r1
-(pUStk) mov r17=1
- ;;
- srlz.d // M0 ensure interruption collection is off
- ld8.fill r13=[r3],16
- mov f7=f0 // clear f7
- ;;
- ld8.fill r12=[r2] // restore r12 (sp)
- mov.m ar.ssd=r0 // M2 clear ar.ssd
- mov r22=r0 // clear r22
-
- ld8.fill r15=[r3] // restore r15
-(pUStk) st1 [r14]=r17
- addl r3=THIS_CPU(ia64_phys_stacked_size_p8),r0
- ;;
-(pUStk) ld4 r17=[r3] // r17 = cpu_data->phys_stacked_size_p8
- mov.m ar.csd=r0 // M2 clear ar.csd
- mov b6=r18 // I0 restore b6
- ;;
- mov r14=r0 // clear r14
- shr.u r18=r19,16 // I0|1 get byte size of existing "dirty" partition
-(pKStk) br.cond.dpnt.many skip_rbs_switch
-
- mov.m ar.ccv=r0 // clear ar.ccv
-(pNonSys) br.cond.dpnt.many dont_preserve_current_frame
- br.cond.sptk.many rbs_switch
+(pKStk) mov r22=psr // M2 read PSR now that interrupts are disabled
+ nop 0
+ ;;
+ ld8 r21=[r2],PT(AR_RNAT)-PT(B0) // M0|1 load b0
+ ld8 r27=[r3],PT(PR)-PT(AR_RSC) // M0|1 load ar.rsc
+ mov f6=f0 // F clear f6
+ ;;
+ ld8 r24=[r2],PT(AR_FPSR)-PT(AR_RNAT) // M0|1 load ar.rnat (may be garbage)
+ ld8 r31=[r3],PT(R1)-PT(PR) // M0|1 load predicates
+ mov f7=f0 // F clear f7
+ ;;
+ ld8 r20=[r2],PT(R12)-PT(AR_FPSR) // M0|1 load ar.fpsr
+ ld8.fill r1=[r3],16 // M0|1 load r1
+(pUStk) mov r17=1 // A
+ ;;
+(pUStk) st1 [r14]=r17 // M2|3
+ ld8.fill r13=[r3],16 // M0|1
+ mov f8=f0 // F clear f8
+ ;;
+ ld8.fill r12=[r2] // M0|1 restore r12 (sp)
+ ld8.fill r15=[r3] // M0|1 restore r15
+ mov b6=r18 // I0 restore b6
+
+ addl r17=THIS_CPU(ia64_phys_stacked_size_p8),r0 // A
+ mov f9=f0 // F clear f9
+(pKStk) br.cond.dpnt.many skip_rbs_switch // B
+
+ srlz.d // M0 ensure interruption collection is off (for cover)
+ shr.u r18=r19,16 // I0|1 get byte size of existing "dirty" partition
+ cover // B add current frame into dirty partition & set cr.ifs
+ ;;
+(pUStk) ld4 r17=[r17] // M0|1 r17 = cpu_data->phys_stacked_size_p8
+ mov r19=ar.bsp // M2 get new backing store pointer
+ mov f10=f0 // F clear f10
+
+ nop.m 0
+ movl r14=__kernel_syscall_via_epc // X
+ ;;
+ mov.m ar.csd=r0 // M2 clear ar.csd
+ mov.m ar.ccv=r0 // M2 clear ar.ccv
+ mov b7=r14 // I0 clear b7 (hint with __kernel_syscall_via_epc)
+
+ mov.m ar.ssd=r0 // M2 clear ar.ssd
+ mov f11=f0 // F clear f11
+ br.cond.sptk.many rbs_switch // B
END(__ia64_leave_syscall)
#ifdef CONFIG_IA32_SUPPORT
@@ -891,7 +909,7 @@
ldf.fill f7=[r2],PT(F11)-PT(F7)
ldf.fill f8=[r3],32
;;
- srlz.i // ensure interruption collection is off
+ srlz.d // ensure that inter. collection is off (VHPT is don't care, since text is pinned)
mov ar.ccv=r15
;;
ldf.fill f11=[r2]
@@ -951,11 +969,10 @@
* NOTE: alloc, loadrs, and cover can't be predicated.
*/
(pNonSys) br.cond.dpnt dont_preserve_current_frame
-
+ cover // add current frame into dirty partition and set cr.ifs
+ ;;
+ mov r19=ar.bsp // get new backing store pointer
rbs_switch:
- cover // add current frame into dirty partition and set cr.ifs
- ;;
- mov r19=ar.bsp // get new backing store pointer
sub r16=r16,r18 // krbs = old bsp - size of dirty partition
cmp.ne p9,p0=r0,r0 // clear p9 to skip restore of cr.ifs
;;
@@ -1030,14 +1047,14 @@
mov loc5=0
mov loc6=0
mov loc7=0
-(pRecurse) br.call.sptk.few b0=rse_clear_invalid
+(pRecurse) br.call.dptk.few b0=rse_clear_invalid
;;
mov loc8=0
mov loc9=0
cmp.ne pReturn,p0=r0,in1 // if recursion count != 0, we need to do a br.ret
mov loc10=0
mov loc11=0
-(pReturn) br.ret.sptk.many b0
+(pReturn) br.ret.dptk.many b0
#endif /* !CONFIG_ITANIUM */
# undef pRecurse
# undef pReturn
@@ -1261,7 +1278,7 @@
stf.spill [r17]=f11
adds out0=16,sp // out0 = &sigscratch
br.call.sptk.many rp=ia64_rt_sigreturn
-.ret19: .restore sp 0
+.ret19: .restore sp,0
adds sp=16,sp
;;
ld8 r9=[sp] // load new ar.unat
@@ -1583,11 +1600,11 @@
data8 sys_add_key
data8 sys_request_key
data8 sys_keyctl
+ data8 sys_ioprio_set
+ data8 sys_ioprio_get // 1275
data8 sys_ni_syscall
- data8 sys_ni_syscall // 1275
- data8 sys_ni_syscall
- data8 sys_ni_syscall
- data8 sys_ni_syscall
- data8 sys_ni_syscall
+ data8 sys_inotify_init
+ data8 sys_inotify_add_watch
+ data8 sys_inotify_rm_watch
.org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/kernel/head.S
--- a/linux-2.6-xen-sparse/arch/ia64/kernel/head.S Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/kernel/head.S Thu Feb 2 19:21:18 2006
@@ -25,7 +25,7 @@
#include <asm/fpu.h>
#include <asm/kregs.h>
#include <asm/mmu_context.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/pal.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/kernel/setup.c
--- a/linux-2.6-xen-sparse/arch/ia64/kernel/setup.c Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/kernel/setup.c Thu Feb 2 19:21:18 2006
@@ -20,6 +20,7 @@
* 02/01/00 R.Seth fixed get_cpuinfo for SMP
* 01/07/99 S.Eranian added the support for command line argument
* 06/24/99 W.Drummond added boot_cpu_data.
+ * 05/28/05 Z. Menyhart Dynamic stride size for "flush_icache_range()"
*/
#include <linux/config.h>
#include <linux/module.h>
@@ -40,6 +41,8 @@
#include <linux/serial_core.h>
#include <linux/efi.h>
#include <linux/initrd.h>
+#include <linux/platform.h>
+#include <linux/pm.h>
#include <asm/ia32.h>
#include <asm/machvec.h>
@@ -72,13 +75,42 @@
unsigned long ia64_cycles_per_usec;
struct ia64_boot_param *ia64_boot_param;
struct screen_info screen_info;
+unsigned long vga_console_iobase;
+unsigned long vga_console_membase;
+
+static struct resource data_resource = {
+ .name = "Kernel data",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+
+static struct resource code_resource = {
+ .name = "Kernel code",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+extern void efi_initialize_iomem_resources(struct resource *,
+ struct resource *);
+extern char _text[], _end[], _etext[];
unsigned long ia64_max_cacheline_size;
+
+int dma_get_cache_alignment(void)
+{
+ return ia64_max_cacheline_size;
+}
+EXPORT_SYMBOL(dma_get_cache_alignment);
+
unsigned long ia64_iobase; /* virtual address for I/O accesses */
EXPORT_SYMBOL(ia64_iobase);
struct io_space io_space[MAX_IO_SPACES];
EXPORT_SYMBOL(io_space);
unsigned int num_io_spaces;
+
+/*
+ * "flush_icache_range()" needs to know what processor dependent stride size to use
+ * when it makes i-cache(s) coherent with d-caches.
+ */
+#define I_CACHE_STRIDE_SHIFT 5 /* Safest way to go: 32 bytes by 32 bytes */
+unsigned long ia64_i_cache_stride_shift = ~0;
/*
* The merge_mask variable needs to be set to (max(iommu_page_size(iommu)) - 1). This
@@ -159,6 +191,22 @@
}
}
+/*
+ * Request address space for all standard resources
+ */
+static int __init register_memory(void)
+{
+ code_resource.start = ia64_tpa(_text);
+ code_resource.end = ia64_tpa(_etext) - 1;
+ data_resource.start = ia64_tpa(_etext);
+ data_resource.end = ia64_tpa(_end) - 1;
+ efi_initialize_iomem_resources(&code_resource, &data_resource);
+
+ return 0;
+}
+
+__initcall(register_memory);
+
/**
* reserve_memory - setup reserved memory areas
*
@@ -199,6 +247,9 @@
}
#endif
+ efi_memmap_init(&rsvd_region[n].start, &rsvd_region[n].end);
+ n++;
+
/* end of memory marker */
rsvd_region[n].start = ~0UL;
rsvd_region[n].end = ~0UL;
@@ -232,28 +283,31 @@
static void __init
io_port_init (void)
{
- extern unsigned long ia64_iobase;
unsigned long phys_iobase;
/*
- * Set `iobase' to the appropriate address in region 6 (uncached access range).
+ * Set `iobase' based on the EFI memory map or, failing that, the
+ * value firmware left in ar.k0.
*
- * The EFI memory map is the "preferred" location to get the I/O port space base,
- * rather the relying on AR.KR0. This should become more clear in future SAL
- * specs. We'll fall back to getting it out of AR.KR0 if no appropriate entry is
- * found in the memory map.
+ * Note that in ia32 mode, IN/OUT instructions use ar.k0 to compute
+ * the port's virtual address, so ia32_load_state() loads it with a
+ * user virtual address. But in ia64 mode, glibc uses the
+ * *physical* address in ar.k0 to mmap the appropriate area from
+ * /dev/mem, and the inX()/outX() interfaces use MMIO. In both
+ * cases, user-mode can only use the legacy 0-64K I/O port space.
+ *
+ * ar.k0 is not involved in kernel I/O port accesses, which can use
+ * any of the I/O port spaces and are done via MMIO using the
+ * virtual mmio_base from the appropriate io_space[].
*/
phys_iobase = efi_get_iobase();
- if (phys_iobase)
- /* set AR.KR0 since this is all we use it for anyway */
- ia64_set_kr(IA64_KR_IO_BASE, phys_iobase);
- else {
+ if (!phys_iobase) {
phys_iobase = ia64_get_kr(IA64_KR_IO_BASE);
- printk(KERN_INFO "No I/O port range found in EFI memory map, falling back "
- "to AR.KR0\n");
- printk(KERN_INFO "I/O port base = 0x%lx\n", phys_iobase);
+ printk(KERN_INFO "No I/O port range found in EFI memory map, "
+ "falling back to AR.KR0 (0x%lx)\n", phys_iobase);
}
ia64_iobase = (unsigned long) ioremap(phys_iobase, 0);
+ ia64_set_kr(IA64_KR_IO_BASE, __pa(ia64_iobase));
/* setup legacy IO port space */
io_space[0].mmio_base = ia64_iobase;
@@ -273,26 +327,29 @@
static inline int __init
early_console_setup (char *cmdline)
{
+ int earlycons = 0;
+
#ifdef CONFIG_XEN
- if (!early_xen_console_setup(cmdline)) return 0;
+ if (!early_xen_console_setup(cmdline))
+ earlycons++;
#endif
#ifdef CONFIG_SERIAL_SGI_L1_CONSOLE
{
extern int sn_serial_console_early_setup(void);
if (!sn_serial_console_early_setup())
- return 0;
+ earlycons++;
}
#endif
#ifdef CONFIG_EFI_PCDP
if (!efi_setup_pcdp_console(cmdline))
- return 0;
+ earlycons++;
#endif
#ifdef CONFIG_SERIAL_8250_CONSOLE
if (!early_serial_console_init(cmdline))
- return 0;
-#endif
-
- return -1;
+ earlycons++;
+#endif
+
+ return (earlycons) ? 0 : -1;
}
static inline void
@@ -373,7 +430,7 @@
if (early_console_setup(*cmdline_p) == 0)
mark_bsp_online();
-#ifdef CONFIG_ACPI_BOOT
+#ifdef CONFIG_ACPI
/* Initialize the ACPI boot-time table parser */
acpi_table_init();
# ifdef CONFIG_ACPI_NUMA
@@ -408,8 +465,9 @@
#endif
cpu_init(); /* initialize the bootstrap CPU */
-
-#ifdef CONFIG_ACPI_BOOT
+ mmu_context_init(); /* initialize context_id bitmap */
+
+#ifdef CONFIG_ACPI
acpi_boot_init();
#endif
@@ -515,7 +573,7 @@
c->itc_freq / 1000000, c->itc_freq % 1000000,
lpj*HZ/500000, (lpj*HZ/5000) % 100);
#ifdef CONFIG_SMP
- seq_printf(m, "siblings : %u\n", c->num_log);
+ seq_printf(m, "siblings : %u\n", cpus_weight(cpu_core_map[cpunum]));
if (c->threads_per_core > 1 || c->cores_per_socket > 1)
seq_printf(m,
"physical id: %u\n"
@@ -625,6 +683,12 @@
/* start_kernel() requires this... */
}
+/*
+ * Calculate the max. cache line size.
+ *
+ * In addition, the minimum of the i-cache stride sizes is calculated for
+ * "flush_icache_range()".
+ */
static void
get_max_cacheline_size (void)
{
@@ -638,6 +702,8 @@
printk(KERN_ERR "%s: ia64_pal_cache_summary() failed (status=%ld)\n",
__FUNCTION__, status);
max = SMP_CACHE_BYTES;
+ /* Safest setup for "flush_icache_range()" */
+ ia64_i_cache_stride_shift = I_CACHE_STRIDE_SHIFT;
goto out;
}
@@ -646,14 +712,31 @@
&cci);
if (status != 0) {
printk(KERN_ERR
- "%s: ia64_pal_cache_config_info(l=%lu) failed (status=%ld)\n",
+ "%s: ia64_pal_cache_config_info(l=%lu, 2) failed (status=%ld)\n",
__FUNCTION__, l, status);
max = SMP_CACHE_BYTES;
+ /* The safest setup for "flush_icache_range()" */
+ cci.pcci_stride = I_CACHE_STRIDE_SHIFT;
+ cci.pcci_unified = 1;
}
line_size = 1 << cci.pcci_line_size;
if (line_size > max)
max = line_size;
- }
+ if (!cci.pcci_unified) {
+ status = ia64_pal_cache_config_info(l,
+ /* cache_type (instruction)= */ 1,
+ &cci);
+ if (status != 0) {
+ printk(KERN_ERR
+ "%s: ia64_pal_cache_config_info(l=%lu, 1) failed (status=%ld)\n",
+ __FUNCTION__, l, status);
+ /* The safest setup for "flush_icache_range()" */
+ cci.pcci_stride = I_CACHE_STRIDE_SHIFT;
+ }
+ }
+ if (cci.pcci_stride < ia64_i_cache_stride_shift)
+ ia64_i_cache_stride_shift = cci.pcci_stride;
+ }
out:
if (max > ia64_max_cacheline_size)
ia64_max_cacheline_size = max;
@@ -782,6 +865,7 @@
/* size of physical stacked register partition plus 8 bytes: */
__get_cpu_var(ia64_phys_stacked_size_p8) = num_phys_stacked*8 + 8;
platform_cpu_init();
+ pm_idle = default_idle;
}
void
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/xen-mkbuildtree-pre
--- a/linux-2.6-xen-sparse/arch/ia64/xen-mkbuildtree-pre Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/xen-mkbuildtree-pre Thu Feb 2 19:21:18 2006
@@ -13,10 +13,10 @@
mv net net.xen-x86
mv kernel kernel.xen-x86
mv drivers/acpi/tables.c drivers/acpi/tables.c.xen-x86
- mv arch/xen/kernel drivers/xen/core
- mv arch/xen arch/xen.xen-x86
- mkdir arch/xen
- mv arch/xen.xen-x86/configs arch/xen
+# mv arch/xen/kernel drivers/xen/core
+# mv arch/xen arch/xen.xen-x86
+# mkdir arch/xen
+# mv arch/xen.xen-x86/configs arch/xen
# mv include/asm-generic include/asm-generic.xen-x86
mv include/linux include/linux.xen-x86
mkdir include/linux
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/xen/drivers/evtchn_ia64.c
--- a/linux-2.6-xen-sparse/arch/ia64/xen/drivers/evtchn_ia64.c Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/xen/drivers/evtchn_ia64.c Thu Feb 2 19:21:18 2006
@@ -4,7 +4,7 @@
#include <linux/config.h>
#include <linux/kernel.h>
#include <asm/hw_irq.h>
-#include <asm-xen/evtchn.h>
+#include <xen/evtchn.h>
#define MAX_EVTCHN 1024
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/xen/xenentry.S
--- a/linux-2.6-xen-sparse/arch/ia64/xen/xenentry.S Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/xen/xenentry.S Thu Feb 2 19:21:18 2006
@@ -14,7 +14,7 @@
#include <asm/cache.h>
#include <asm/errno.h>
#include <asm/kregs.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/percpu.h>
#include <asm/processor.h>
diff -r 2494b4e00cbb -r 3b9c2c410b14 linux-2.6-xen-sparse/arch/ia64/xen/xenivt.S
--- a/linux-2.6-xen-sparse/arch/ia64/xen/xenivt.S Thu Feb 2 19:16:38 2006
+++ b/linux-2.6-xen-sparse/arch/ia64/xen/xenivt.S Thu Feb 2 19:21:18 2006
@@ -35,7 +35,7 @@
#include <asm/break.h>
#include <asm/ia32.h>
#include <asm/kregs.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#include <asm/ptrace.h>
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