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Message-ID: <20150225230449.GM3226@pd.tnic>
Date: Thu, 26 Feb 2015 00:04:50 +0100
From: Borislav Petkov <bp@...en8.de>
To: Denys Vlasenko <dvlasenk@...hat.com>
Cc: Andy Lutomirski <luto@...capital.net>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Steven Rostedt <rostedt@...dmis.org>,
Ingo Molnar <mingo@...nel.org>,
"H. Peter Anvin" <hpa@...or.com>, Oleg Nesterov <oleg@...hat.com>,
Frederic Weisbecker <fweisbec@...il.com>,
Alexei Starovoitov <ast@...mgrid.com>,
Will Drewry <wad@...omium.org>,
Kees Cook <keescook@...omium.org>, x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/7] x86: entry.S: use JZ mnemonic after TEST, not JE
On Wed, Feb 25, 2015 at 01:00:16AM +0100, Denys Vlasenko wrote:
> After TEST insn, JE actually performs "jump if zero",
> let's use JZ mnemonic instead.
>
> No code changes, but less confusion.
>
> Signed-off-by: Denys Vlasenko <dvlasenk@...hat.com>
> CC: Linus Torvalds <torvalds@...ux-foundation.org>
> CC: Steven Rostedt <rostedt@...dmis.org>
> CC: Ingo Molnar <mingo@...nel.org>
> CC: Borislav Petkov <bp@...en8.de>
> CC: "H. Peter Anvin" <hpa@...or.com>
> CC: Andy Lutomirski <luto@...capital.net>
> CC: Oleg Nesterov <oleg@...hat.com>
> CC: Frederic Weisbecker <fweisbec@...il.com>
> CC: Alexei Starovoitov <ast@...mgrid.com>
> CC: Will Drewry <wad@...omium.org>
> CC: Kees Cook <keescook@...omium.org>
> CC: x86@...nel.org
> CC: linux-kernel@...r.kernel.org
> ---
> arch/x86/kernel/entry_64.S | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Acked-by: Borislav Petkov <bp@...e.de>
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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