linux-kernel - [tip: x86/paravirt] x86/paravirt: Clean up paravirt macros

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Date:   Sat, 15 Aug 2020 15:46:52 -0000
From:   "tip-bot2 for Juergen Gross" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Juergen Gross <jgross@...e.com>, Ingo Molnar <mingo@...nel.org>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: x86/paravirt] x86/paravirt: Clean up paravirt macros

The following commit has been merged into the x86/paravirt branch of tip:

Commit-ID:     94b827becc6a87c905ab30b398e12a266518acbb
Gitweb:        https://git.kernel.org/tip/94b827becc6a87c905ab30b398e12a266518acbb
Author:        Juergen Gross <jgross@...e.com>
AuthorDate:    Sat, 15 Aug 2020 12:06:37 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Sat, 15 Aug 2020 13:52:11 +02:00

x86/paravirt: Clean up paravirt macros

Some paravirt macros are no longer used, delete them.

Signed-off-by: Juergen Gross <jgross@...e.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20200815100641.26362-3-jgross@suse.com
---
 arch/x86/include/asm/paravirt.h | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 25c7a73..e02c409 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -586,16 +586,9 @@ 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						\
@@ -616,14 +609,6 @@ 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
 
 /*