linux-kernel - [tip:x86/urgent] x86/msr: Remove unused native_read

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <tip-9da77666d6975219281fd400eb9608a047337414@git.kernel.org>
Date:	Wed, 23 Mar 2016 04:40:06 -0700
From:	tip-bot for Prarit Bhargava <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	prarit@...hat.com, hpa@...or.com, luto@...capital.net,
	linux-kernel@...r.kernel.org, bp@...e.de, mingo@...nel.org,
	tglx@...utronix.de
Subject: [tip:x86/urgent] x86/msr: Remove unused native_read_tscp()

Commit-ID:  9da77666d6975219281fd400eb9608a047337414
Gitweb:     http://git.kernel.org/tip/9da77666d6975219281fd400eb9608a047337414
Author:     Prarit Bhargava <prarit@...hat.com>
AuthorDate: Tue, 22 Mar 2016 19:06:08 -0400
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Wed, 23 Mar 2016 12:34:17 +0100

x86/msr: Remove unused native_read_tscp()

After e76b027 ("x86,vdso: Use LSL unconditionally for vgetcpu")
native_read_tscp() is unused in the kernel. The function can be removed like
native_read_tsc() was.

Signed-off-by: Prarit Bhargava <prarit@...hat.com>
Acked-by: Andy Lutomirski <luto@...capital.net>
Cc: Borislav Petkov <bp@...e.de>
Link: http://lkml.kernel.org/r/1458687968-9106-1-git-send-email-prarit@redhat.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

---
 arch/x86/include/asm/msr.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 93fb7c1..7a79ee2 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -42,14 +42,6 @@ struct saved_msrs {
 	struct saved_msr *array;
 };
 
-static inline unsigned long long native_read_tscp(unsigned int *aux)
-{
-	unsigned long low, high;
-	asm volatile(".byte 0x0f,0x01,0xf9"
-		     : "=a" (low), "=d" (high), "=c" (*aux));
-	return low | ((u64)high << 32);
-}
-
 /*
  * both i386 and x86_64 returns 64-bit value in edx:eax, but gcc's "A"
  * constraint has different meanings. For i386, "A" means exactly