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Date: Thu, 16 May 2019 16:55:33 +0100 From: Ben Hutchings <ben@...adent.org.uk> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org CC: akpm@...ux-foundation.org, Denis Kirjanov <kda@...ux-powerpc.org>, "Ingo Molnar" <mingo@...nel.org>, "Andi Kleen" <ak@...ux.intel.com>, "Dave Hansen" <dave.hansen@...el.com>, "Jiri Kosina" <jkosina@...e.cz>, "Peter Zijlstra" <peterz@...radead.org>, "David Woodhouse" <dwmw@...zon.co.uk>, "Asit Mallick" <asit.k.mallick@...el.com>, "Kees Cook" <keescook@...omium.org>, "Thomas Gleixner" <tglx@...utronix.de>, "Tim Chen" <tim.c.chen@...ux.intel.com>, "Andy Lutomirski" <luto@...nel.org>, "Casey Schaufler" <casey.schaufler@...el.com>, "Waiman Long" <longman9394@...il.com>, "Jon Masters" <jcm@...hat.com>, "Linus Torvalds" <torvalds@...ux-foundation.org>, "Dave Stewart" <david.c.stewart@...el.com>, "Josh Poimboeuf" <jpoimboe@...hat.com>, "Greg KH" <gregkh@...uxfoundation.org>, "Tom Lendacky" <thomas.lendacky@....com>, "Arjan van de Ven" <arjan@...ux.intel.com>, "Andrea Arcangeli" <aarcange@...hat.com> Subject: [PATCH 3.16 34/86] x86/speculation: Update the TIF_SSBD comment 3.16.68-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Tim Chen <tim.c.chen@...ux.intel.com> commit 8eb729b77faf83ac4c1f363a9ad68d042415f24c upstream. "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> Link: https://lkml.kernel.org/r/20181125185003.593893901@linutronix.de [bwh: Backported to 3.16: adjust context] Signed-off-by: Ben Hutchings <ben@...adent.org.uk> --- arch/x86/include/asm/thread_info.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/include/asm/thread_info.h +++ b/arch/x86/include/asm/thread_info.h @@ -72,7 +72,7 @@ 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 */
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