linux-kernel - [tip:x86/pti] x86/speculation: Update the TIF

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Message-ID: <tip-8eb729b77faf83ac4c1f363a9ad68d042415f24c@git.kernel.org>
Date:   Wed, 28 Nov 2018 06:20:14 -0800
From:   tip-bot for Tim Chen <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     ak@...ux.intel.com, tim.c.chen@...ux.intel.com,
        dave.hansen@...el.com, gregkh@...uxfoundation.org,
        keescook@...omium.org, longman9394@...il.com, peterz@...radead.org,
        aarcange@...hat.com, jkosina@...e.cz, arjan@...ux.intel.com,
        david.c.stewart@...el.com, casey.schaufler@...el.com,
        torvalds@...ux-foundation.org, hpa@...or.com, jpoimboe@...hat.com,
        linux-kernel@...r.kernel.org, jcm@...hat.com, dwmw@...zon.co.uk,
        tglx@...utronix.de, mingo@...nel.org, asit.k.mallick@...el.com,
        luto@...nel.org, thomas.lendacky@....com
Subject: [tip:x86/pti] x86/speculation: Update the TIF_SSBD comment

Commit-ID:  8eb729b77faf83ac4c1f363a9ad68d042415f24c
Gitweb:     https://git.kernel.org/tip/8eb729b77faf83ac4c1f363a9ad68d042415f24c
Author:     Tim Chen <tim.c.chen@...ux.intel.com>
AuthorDate: Sun, 25 Nov 2018 19:33:29 +0100
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Wed, 28 Nov 2018 11:57:04 +0100

x86/speculation: Update the TIF_SSBD comment

"Reduced Data Speculation" is an obsolete term. The correct new name is
"Speculative store bypass disable" - which is abbreviated into SSBD.

Signed-off-by: Tim Chen <tim.c.chen@...ux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Ingo Molnar <mingo@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Jiri Kosina <jkosina@...e.cz>
Cc: Tom Lendacky <thomas.lendacky@....com>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Andrea Arcangeli <aarcange@...hat.com>
Cc: David Woodhouse <dwmw@...zon.co.uk>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Dave Hansen <dave.hansen@...el.com>
Cc: Casey Schaufler <casey.schaufler@...el.com>
Cc: Asit Mallick <asit.k.mallick@...el.com>
Cc: Arjan van de Ven <arjan@...ux.intel.com>
Cc: Jon Masters <jcm@...hat.com>
Cc: Waiman Long <longman9394@...il.com>
Cc: Greg KH <gregkh@...uxfoundation.org>
Cc: Dave Stewart <david.c.stewart@...el.com>
Cc: Kees Cook <keescook@...omium.org>
Cc: stable@...r.kernel.org
Link: https://lkml.kernel.org/r/20181125185003.593893901@linutronix.de


---
 arch/x86/include/asm/thread_info.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index 2ff2a30a264f..523c69efc38a 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -79,7 +79,7 @@ struct thread_info {
 #define TIF_SIGPENDING		2	/* signal pending */
 #define TIF_NEED_RESCHED	3	/* rescheduling necessary */
 #define TIF_SINGLESTEP		4	/* reenable singlestep on user return*/
-#define TIF_SSBD			5	/* Reduced data speculation */
+#define TIF_SSBD		5	/* Speculative store bypass disable */
 #define TIF_SYSCALL_EMU		6	/* syscall emulation active */
 #define TIF_SYSCALL_AUDIT	7	/* syscall auditing active */
 #define TIF_SECCOMP		8	/* secure computing */