[xen master] x86/MSR: use latched "current"

[patchbot@xxxxxxx]

commit bad55986f1bd45d736ace030f5f0cfc46b80482b
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Mon Dec 5 13:43:34 2022 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Dec 5 13:43:34 2022 +0100

    x86/MSR: use latched "current"
    
    There's no need to recalculate / refetch the value from the stack
    (pointer).
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/msr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/msr.c b/xen/arch/x86/msr.c
index cf46b18aa6..317b154d24 100644
--- a/xen/arch/x86/msr.c
+++ b/xen/arch/x86/msr.c
@@ -417,7 +417,7 @@ int guest_rdmsr(struct vcpu *v, uint32_t msr, uint64_t *val)
          * out of hardware.
          */
 #ifdef CONFIG_HVM
-        if ( v == current && is_hvm_domain(d) && v->arch.hvm.flag_dr_dirty )
+        if ( v == curr && is_hvm_domain(d) && v->arch.hvm.flag_dr_dirty )
             rdmsrl(msr, *val);
         else
 #endif
@@ -639,7 +639,7 @@ int guest_wrmsr(struct vcpu *v, uint32_t msr, uint64_t val)
         {
             uint64_t xcr0 = get_xcr0();
 
-            if ( v != current ||
+            if ( v != curr ||
                  handle_xsetbv(XCR_XFEATURE_ENABLED_MASK,
                                xcr0 | X86_XCR0_BNDREGS | X86_XCR0_BNDCSR) )
                 goto gp_fault;
--
generated by git-patchbot for /home/xen/git/xen.git#master