From: "H. Peter Anvin" <hpa@zytor.com>
To: Denys Vlasenko <dvlasenk@redhat.com>, linux-kernel@vger.kernel.org
Cc: Oleg Nesterov <oleg@redhat.com>,
Andy Lutomirski <luto@amacapital.net>,
Frederic Weisbecker <fweisbec@gmail.com>, X86 ML <x86@kernel.org>,
Alexei Starovoitov <ast@plumgrid.com>,
Will Drewry <wad@chromium.org>, Kees Cook <keescook@chromium.org>
Subject: Re: [PATCH 4/5] x86: entry_64.S: always allocate complete "struct pt_regs"
Date: Fri, 01 Aug 2014 11:35:13 -0700 [thread overview]
Message-ID: <53DBDDE1.5070805@zytor.com> (raw)
In-Reply-To: <1406904498-21647-4-git-send-email-dvlasenk@redhat.com>
On 08/01/2014 07:48 AM, Denys Vlasenko wrote:
>
> Patch was run-tested: 64-bit executables, 32-bit executables,
> strace works.
>
Could you please try to see if there is a measurable change in the
latency of a trivial syscall?
-hpa
next prev parent reply other threads:[~2014-08-01 18:35 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-01 14:48 [PATCH 1/5] x86: entry_64.S: delete unused code Denys Vlasenko
2014-08-01 14:48 ` [PATCH 2/5] x86: open-code register save/restore in trace_hardirqs thunks Denys Vlasenko
2014-08-01 14:48 ` [PATCH 3/5] x86: entry_64.S: fold SAVE_ARGS_IRQ macro into its sole user Denys Vlasenko
2014-08-01 18:30 ` Frederic Weisbecker
2014-08-01 14:48 ` [PATCH 4/5] x86: entry_64.S: always allocate complete "struct pt_regs" Denys Vlasenko
2014-08-01 17:04 ` Andy Lutomirski
2014-08-04 14:28 ` Denys Vlasenko
2014-08-04 14:47 ` Oleg Nesterov
2014-08-04 15:34 ` Oleg Nesterov
2014-08-04 21:03 ` Andy Lutomirski
2014-08-04 21:23 ` Borislav Petkov
2014-08-05 10:35 ` Denys Vlasenko
2014-08-05 14:53 ` Andy Lutomirski
2014-08-05 15:17 ` Denys Vlasenko
2014-08-05 23:02 ` Andy Lutomirski
2014-08-07 9:54 ` Denys Vlasenko
2014-08-01 18:09 ` Alexei Starovoitov
2014-08-01 18:30 ` Oleg Nesterov
2014-08-01 18:35 ` H. Peter Anvin [this message]
2014-08-01 22:11 ` Denys Vlasenko
2014-08-01 22:13 ` H. Peter Anvin
2014-08-02 21:14 ` Andy Lutomirski
2014-08-02 21:23 ` H. Peter Anvin
2014-08-02 21:38 ` Andy Lutomirski
2014-08-01 22:52 ` Frederic Weisbecker
2014-08-01 23:19 ` Frederic Weisbecker
2014-08-04 3:03 ` Denys Vlasenko
2014-08-04 7:57 ` Borislav Petkov
2014-08-11 0:46 ` Frederic Weisbecker
2014-08-11 8:40 ` Jan Beulich
2014-08-11 9:07 ` Andy Lutomirski
2014-08-11 9:31 ` Jan Beulich
2014-08-11 13:26 ` Denys Vlasenko
2014-08-11 14:17 ` Jan Beulich
2014-08-11 14:53 ` H. Peter Anvin
2014-08-11 15:08 ` Jan Beulich
2014-08-11 15:13 ` H. Peter Anvin
2014-08-12 9:31 ` Denys Vlasenko
2014-08-12 9:50 ` Jan Beulich
2014-08-01 14:48 ` [PATCH 5/5] x86: mass removal of ARGOFFSET Denys Vlasenko
2014-08-01 18:00 ` [PATCH 1/5] x86: entry_64.S: delete unused code Frederic Weisbecker
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