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[PATCH 1/3] x86/apic: Drop atomic accessors
- To: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Wed, 22 Nov 2023 14:27:31 +0000
- Authentication-results: esa1.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Wed, 22 Nov 2023 14:27:54 +0000
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The last users were dropped in commit 413e92e9bf13 ("x86/apic: Drop
workarounds for Pentium/82489DX erratum").
Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
CC: Jan Beulich <JBeulich@xxxxxxxx>
CC: Roger Pau Monné <roger.pau@xxxxxxxxxx>
CC: Wei Liu <wl@xxxxxxx>
---
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 f7ad7b20dd80..288b4933eb38 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 )
--
2.30.2
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