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[xen staging] xen/ppc: mm-radix: Replace debug printing code with printk
commit 5b33845adffd818bc21d854618712a30254b080f
Author: Shawn Anastasio <sanastasio@raptorengineering.com>
AuthorDate: Fri Apr 19 08:46:29 2024 +0200
Commit: Jan Beulich <jbeulich@suse.com>
CommitDate: Fri Apr 19 08:46:29 2024 +0200

xen/ppc: mm-radix: Replace debug printing code with printk

Now that we have common code building, there's no need to keep the old
itoa64+debug print function in mm-radix.c

Signed-off-by: Shawn Anastasio <sanastasio@raptorengineering.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
---
xen/arch/ppc/mm-radix.c | 58 ++++++++++---------------------------------------
1 file changed, 12 insertions(+), 46 deletions(-)

diff --git a/xen/arch/ppc/mm-radix.c b/xen/arch/ppc/mm-radix.c
index daa411a6fa..ab5a10695c 100644
--- a/xen/arch/ppc/mm-radix.c
+++ b/xen/arch/ppc/mm-radix.c
@@ -15,6 +15,12 @@

void enable_mmu(void);

+#ifdef CONFIG_DEBUG
+#define radix_dprintk(msg, ...) printk(XENLOG_DEBUG msg, ## __VA_ARGS__)
+#else
+#define radix_dprintk(...)
+#endif
+
#define INITIAL_LVL1_PD_COUNT 1
#define INITIAL_LVL2_LVL3_PD_COUNT 2
#define INITIAL_LVL4_PT_COUNT 256
@@ -80,45 +86,6 @@ static __init struct lvl4_pt *lvl4_pt_pool_alloc(void)
return &initial_lvl4_pt_pool[initial_lvl4_pt_pool_used++];
}

-#ifndef NDEBUG
-/* TODO: Remove once we get common/ building */
-static char *__init itoa64_hex(uint64_t val, char *out_buf, size_t buf_len)
-{
- uint64_t cur;
- size_t i = buf_len - 1;
-
- /* Null terminate buffer */
- out_buf[i] = '\0';
-
- /* Add digits in reverse */
- cur = val;
- while ( cur && i > 0 )
- {
- out_buf[--i] = "0123456789ABCDEF"[cur % 16];
- cur /= 16;
- }
-
- /* Pad to 16 digits */
- while ( i > 0 )
- out_buf[--i] = '0';
-
- return out_buf + i;
-}
-#endif
-
-static void __init radix_dprint(uint64_t addr, const char *msg)
-{
-#ifndef NDEBUG
- char buf[sizeof("DEADBEEFCAFEBABA")];
- char *addr_s = itoa64_hex(addr, buf, sizeof(buf));
-
- early_printk("(0x");
- early_printk(addr_s);
- early_printk(") ");
- early_printk(msg);
-#endif
-}
-
static void __init setup_initial_mapping(struct lvl1_pd *lvl1,
vaddr_t map_start,
vaddr_t map_end,
@@ -186,27 +153,26 @@ static void __init setup_initial_mapping(struct lvl1_pd *lvl1,
unsigned long paddr = (page_addr - map_start) + phys_base;
unsigned long flags;

- radix_dprint(paddr, "being mapped to ");
- radix_dprint(page_addr, "!\n");
+ radix_dprintk("%016lx being mapped to %016lx\n", paddr, page_addr);
if ( is_kernel_text(page_addr) || is_kernel_inittext(page_addr) )
{
- radix_dprint(page_addr, "being marked as TEXT (RX)\n");
+ radix_dprintk("%016lx being marked as TEXT (RX)\n", page_addr);
flags = PTE_XEN_RX;
}
else if ( is_kernel_rodata(page_addr) )
{
- radix_dprint(page_addr, "being marked as RODATA (RO)\n");
+ radix_dprintk("%016lx being marked as RODATA (RO)\n", page_addr);
flags = PTE_XEN_RO;
}
else
{
- radix_dprint(page_addr, "being marked as DEFAULT (RW)\n");
+ radix_dprintk("%016lx being marked as DEFAULT (RW)\n", page_addr);
flags = PTE_XEN_RW;
}

*pte = paddr_to_pte(paddr, flags);
- radix_dprint(paddr_to_pte(paddr, flags).pte,
- "is result of PTE map!\n");
+ radix_dprintk("%016lx is the result of PTE map\n",
+ paddr_to_pte(paddr, flags).pte);
}
else
{
--
generated by git-patchbot for /home/xen/git/xen.git#staging