[xen master] x86/apic: Drop atomic accessors

[patchbot@xxxxxxx]

commit e39cbf52b1aa5b868439274472296f9f47a39d77
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Wed Nov 22 13:28:21 2023 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Thu Nov 23 11:20:01 2023 +0000

    x86/apic: Drop atomic accessors
    
    The last users were dropped in commit 413e92e9bf13 ("x86/apic: Drop
    workarounds for Pentium/82489DX erratum").
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/x86/include/asm/apic.h | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/xen/arch/x86/include/asm/apic.h b/xen/arch/x86/include/asm/apic.h
index f7ad7b20dd..288b4933eb 100644
--- a/xen/arch/x86/include/asm/apic.h
+++ b/xen/arch/x86/include/asm/apic.h
@@ -54,11 +54,6 @@ static __inline void apic_mem_write(unsigned long reg, u32 v)
        *((volatile u32 *)(APIC_BASE+reg)) = v;
 }
 
-static __inline void apic_mem_write_atomic(unsigned long reg, u32 v)
-{
-       (void)xchg((volatile u32 *)(APIC_BASE+reg), v);
-}
-
 static __inline u32 apic_mem_read(unsigned long reg)
 {
        return *((volatile u32 *)(APIC_BASE+reg));
@@ -97,14 +92,6 @@ static __inline void apic_write(unsigned long reg, u32 v)
         apic_mem_write(reg, v);
 }
 
-static __inline void apic_write_atomic(unsigned long reg, u32 v)
-{
-    if ( x2apic_enabled )
-        apic_wrmsr(reg, v);
-    else
-        apic_mem_write_atomic(reg, v);
-}
-
 static __inline u32 apic_read(unsigned long reg)
 {
     if ( x2apic_enabled )
--
generated by git-patchbot for /home/xen/git/xen.git#master