[v2,3/4] x86/paravirt: cleanup paravirt macros
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Message ID 20200701110650.16172-4-jgross@suse.com
State Superseded
Headers show
Series
  • Remove 32-bit Xen PV guest support
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Commit Message

Jürgen Groß July 1, 2020, 11:06 a.m. UTC
Some paravirt macros are no longer used, delete them.

Signed-off-by: Juergen Gross <jgross@suse.com>
---
 arch/x86/include/asm/paravirt.h | 15 ---------------
 1 file changed, 15 deletions(-)

Patch
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diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index cfe9f6e472b5..cff2fbd1edd5 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -609,16 +609,9 @@  bool __raw_callee_save___native_vcpu_is_preempted(long cpu);
 #endif /* SMP && PARAVIRT_SPINLOCKS */
 
 #ifdef CONFIG_X86_32
-#define PV_SAVE_REGS "pushl %ecx; pushl %edx;"
-#define PV_RESTORE_REGS "popl %edx; popl %ecx;"
-
 /* save and restore all caller-save registers, except return value */
 #define PV_SAVE_ALL_CALLER_REGS		"pushl %ecx;"
 #define PV_RESTORE_ALL_CALLER_REGS	"popl  %ecx;"
-
-#define PV_FLAGS_ARG "0"
-#define PV_EXTRA_CLOBBERS
-#define PV_VEXTRA_CLOBBERS
 #else
 /* save and restore all caller-save registers, except return value */
 #define PV_SAVE_ALL_CALLER_REGS						\
@@ -639,14 +632,6 @@  bool __raw_callee_save___native_vcpu_is_preempted(long cpu);
 	"pop %rsi;"							\
 	"pop %rdx;"							\
 	"pop %rcx;"
-
-/* We save some registers, but all of them, that's too much. We clobber all
- * caller saved registers but the argument parameter */
-#define PV_SAVE_REGS "pushq %%rdi;"
-#define PV_RESTORE_REGS "popq %%rdi;"
-#define PV_EXTRA_CLOBBERS EXTRA_CLOBBERS, "rcx" , "rdx", "rsi"
-#define PV_VEXTRA_CLOBBERS EXTRA_CLOBBERS, "rdi", "rcx" , "rdx", "rsi"
-#define PV_FLAGS_ARG "D"
 #endif
 
 /*