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>,
"VMware, Inc." <pv-drivers@vmware.com>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH v2 3/4] x86/paravirt: cleanup paravirt macros
Date: Wed, 1 Jul 2020 13:06:49 +0200 [thread overview]
Message-ID: <20200701110650.16172-4-jgross@suse.com> (raw)
In-Reply-To: <20200701110650.16172-1-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 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
/*
--
2.26.2
next prev parent reply other threads:[~2020-07-01 11:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-01 11:06 [PATCH v2 0/4] Remove 32-bit Xen PV guest support Juergen Gross
2020-07-01 11:06 ` [PATCH v2 2/4] x86/paravirt: remove 32-bit support from PARAVIRT_XXL Juergen Gross
2020-07-01 11:06 ` Juergen Gross [this message]
2020-07-02 8:18 ` [PATCH v2 0/4] Remove 32-bit Xen PV guest support Peter Zijlstra
2020-07-02 14:48 ` Brian Gerst
2020-07-02 15:45 ` Jürgen Groß
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200701110650.16172-4-jgross@suse.com \
--to=jgross@suse.com \
--cc=bp@alien8.de \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=pv-drivers@vmware.com \
--cc=tglx@linutronix.de \
--cc=virtualization@lists.linux-foundation.org \
--cc=x86@kernel.org \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).