From: Borislav Petkov <bp@alien8.de>
To: linux-tip-commits@vger.kernel.org,
tip-bot for Paolo Bonzini <tipbot@zytor.com>
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org,
riel@redhat.com, torvalds@linux-foundation.org, hpa@zytor.com,
mingo@kernel.org, pbonzini@redhat.com, luto@kernel.org,
tglx@linutronix.de, brgerst@gmail.com, dvlasenk@redhat.com,
jpoimboe@redhat.com
Subject: Re: [tip:x86/asm] x86/entry: Inline enter_from_user_mode()
Date: Sat, 09 Jul 2016 15:38:57 +0200 [thread overview]
Message-ID: <283634cf-fa90-4fa1-9a5c-bf9fa921daa7@email.android.com> (raw)
In-Reply-To: <tip-eec4b1227db153ca16f8f5f285d01fefdce05438@git.kernel.org>
tip-bot for Paolo Bonzini <tipbot@zytor.com> wrote:
>Commit-ID: eec4b1227db153ca16f8f5f285d01fefdce05438
>Gitweb:
>http://git.kernel.org/tip/eec4b1227db153ca16f8f5f285d01fefdce05438
>Author: Paolo Bonzini <pbonzini@redhat.com>
>AuthorDate: Mon, 20 Jun 2016 16:58:30 +0200
>Committer: Ingo Molnar <mingo@kernel.org>
>CommitDate: Sat, 9 Jul 2016 10:44:02 +0200
>
>x86/entry: Inline enter_from_user_mode()
>
>This matches what is already done for prepare_exit_to_usermode(),
>and saves about 60 clock cycles (4% speedup) with the benchmark
>in the previous commit message.
>
>Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
>Reviewed-by: Rik van Riel <riel@redhat.com>
>Reviewed-by: Andy Lutomirski <luto@kernel.org>
>Reviewed-by: Rik van Riel <riel@redhat.com>
>Reviewed-by: Andy Lutomirski <luto@kernel.org>
>Reviewed-by: Rik van Riel <riel@redhat.com>
>Reviewed-by: Andy Lutomirski <luto@kernel.org>
>Reviewed-by: Rik van Riel <riel@redhat.com>
>Reviewed-by: Andy Lutomirski <luto@kernel.org>
>Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Woohaa, if that amount of review doesn't get this patch upstream I don't know what will ;-)))))
--
Sent from a small device: formatting sucks and brevity is inevitable.
next prev parent reply other threads:[~2016-07-09 13:39 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-20 14:58 [PATCH v2 0/2] x86/entry: speed up context-tracking system calls by 150 clock cycles Paolo Bonzini
2016-06-20 14:58 ` [PATCH 1/2] x86/entry: Avoid interrupt flag save and restore Paolo Bonzini
2016-06-20 20:21 ` Rik van Riel
2016-06-20 20:34 ` Andy Lutomirski
2016-07-09 11:52 ` [tip:x86/asm] " tip-bot for Paolo Bonzini
2016-07-10 11:37 ` tip-bot for Paolo Bonzini
2016-06-20 14:58 ` [PATCH 2/2] x86/entry: Inline enter_from_user_mode Paolo Bonzini
2016-06-20 20:22 ` Rik van Riel
2016-07-09 11:53 ` [tip:x86/asm] x86/entry: Inline enter_from_user_mode() tip-bot for Paolo Bonzini
2016-07-09 13:38 ` Borislav Petkov [this message]
2016-07-10 11:33 ` Ingo Molnar
2016-07-10 11:38 ` tip-bot for Paolo Bonzini
2016-06-20 14:58 ` [PATCH 3/2] context_tracking: move rcu_virt_note_context_switch out of kvm_host.h Paolo Bonzini
2016-06-20 20:23 ` Rik van Riel
2016-06-20 14:58 ` [PATCH 4/2] KVM: remove kvm_guest_enter/exit wrappers Paolo Bonzini
2016-06-20 20:24 ` Rik van Riel
2016-06-21 13:24 ` [PATCH v2 0/2] x86/entry: speed up context-tracking system calls by 150 clock cycles Christian Borntraeger
2016-06-21 13:26 ` Paolo Bonzini
2016-06-28 12:16 ` Paolo Bonzini
2016-07-06 13:47 ` Paolo Bonzini
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