From: Juergen Gross <jgross@suse.com>
To: xen-devel@lists.xenproject.org, x86@kernel.org,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org
Cc: Juergen Gross <jgross@suse.com>, Deep Shah <sdeep@vmware.com>,
"VMware, Inc." <pv-drivers@vmware.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: [PATCH v3 5/7] x86/paravirt: cleanup paravirt macros
Date: Fri, 7 Aug 2020 10:38:24 +0200 [thread overview]
Message-ID: <20200807083826.16794-6-jgross@suse.com> (raw)
In-Reply-To: <20200807083826.16794-1-jgross@suse.com>
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(-)
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index dedc89a07826..99da08852df0 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -614,16 +614,9 @@ 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 \
@@ -644,14 +637,6 @@ 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
/*
--
2.26.2
next prev parent reply other threads:[~2020-08-07 8:38 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-07 8:38 [PATCH v3 0/7] Remove 32-bit Xen PV guest support Juergen Gross
2020-08-07 8:38 ` [PATCH v3 1/7] x86/xen: remove " Juergen Gross
2020-08-09 2:01 ` Boris Ostrovsky
2020-08-10 4:36 ` Jürgen Groß
2020-08-07 8:38 ` [PATCH v3 2/7] x86/xen: eliminate xen-asm_64.S Juergen Gross
2020-08-09 2:04 ` Boris Ostrovsky
2020-08-10 4:36 ` Jürgen Groß
2020-08-07 8:38 ` [PATCH v3 3/7] x86/xen: drop tests for highmem in pv code Juergen Gross
2020-08-07 11:18 ` kernel test robot
2020-08-09 2:22 ` Boris Ostrovsky
2020-08-10 4:37 ` Jürgen Groß
2020-08-07 8:38 ` [PATCH v3 4/7] x86/paravirt: remove 32-bit support from PARAVIRT_XXL Juergen Gross
2020-08-07 9:39 ` peterz
2020-08-07 10:02 ` Jürgen Groß
2020-08-07 10:21 ` peterz
2020-08-09 2:34 ` Boris Ostrovsky
2020-08-10 4:39 ` Jürgen Groß
2020-08-10 16:53 ` Boris Ostrovsky
2020-08-10 18:42 ` Jürgen Groß
2020-08-07 8:38 ` Juergen Gross [this message]
2020-08-07 8:38 ` [PATCH v3 6/7] x86/paravirt: use CONFIG_PARAVIRT_XXL instead of CONFIG_PARAVIRT Juergen Gross
2020-08-07 8:38 ` [PATCH v3 7/7] x86/entry/32: revert "Fix XEN_PV build dependency" Juergen Gross
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