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[xen staging] VMX: no open-coding in vmx_get_cpl()
commit 23cd1207e7f6ee3e51fb42e11dba8d7cdb28e1e5
Author: Jan Beulich <jbeulich@suse.com>
AuthorDate: Thu Apr 25 16:38:01 2024 +0200
Commit: Jan Beulich <jbeulich@suse.com>
CommitDate: Thu Apr 25 16:38:01 2024 +0200

VMX: no open-coding in vmx_get_cpl()

Neither X86_SEG_AR_DPL nor MASK_EXTR() should really be avoided here,
using literal number instead.

No difference in generated code (with gcc13 at least).

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
xen/arch/x86/hvm/vmx/vmx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/hvm/vmx/vmx.c b/xen/arch/x86/hvm/vmx/vmx.c
index 0935762378..5f67a48592 100644
--- a/xen/arch/x86/hvm/vmx/vmx.c
+++ b/xen/arch/x86/hvm/vmx/vmx.c
@@ -1192,7 +1192,7 @@ unsigned int vmx_get_cpl(void)

__vmread(GUEST_SS_AR_BYTES, &attr);

- return (attr >> 5) & 3;
+ return MASK_EXTR(attr, X86_SEG_AR_DPL);
}

static unsigned int cf_check _vmx_get_cpl(struct vcpu *v)
--
generated by git-patchbot for /home/xen/git/xen.git#staging