From: Ingo Molnar <mingo@elte.hu>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org,
Arjan van de Ven <arjan@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH 8/9] x86: Implement strict user copy checks for x86_64
Date: Fri, 13 May 2011 12:15:45 +0200 [thread overview]
Message-ID: <20110513101545.GF21022@elte.hu> (raw)
In-Reply-To: <1305244212-19183-9-git-send-email-sboyd@codeaurora.org>
* Stephen Boyd <sboyd@codeaurora.org> wrote:
> Strict user copy checks are only really supported on x86_32 even
> though the config option is selectable on x86_64. Add the
> necessary support to the 64 bit code to trigger copy_from_user()
> warnings at compile time.
>
> Cc: x86@kernel.org
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
> ---
> arch/x86/include/asm/uaccess_64.h | 12 +++++++++---
> arch/x86/lib/usercopy_64.c | 6 ++++++
> 2 files changed, 15 insertions(+), 3 deletions(-)
Very nice!
Acked-by: Ingo Molnar <mingo@elte.hu>
Thanks,
Ingo
next prev parent reply other threads:[~2011-05-13 10:16 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-12 23:50 [PATCH 0/9] strict user copy checks on x86_64 Stephen Boyd
2011-05-12 23:50 ` [PATCH 1/9] iwlegacy: Silence DEBUG_STRICT_USER_COPY_CHECKS=y warning Stephen Boyd
2011-05-13 0:01 ` wwguy
2011-05-13 9:08 ` Stanislaw Gruszka
2011-05-12 23:50 ` [PATCH 2/9] iwlwifi: " Stephen Boyd
2011-05-13 0:02 ` wwguy
2011-05-12 23:50 ` [PATCH 3/9] [SCSI] lpfc: " Stephen Boyd
2011-05-24 13:32 ` James Smart
2011-05-12 23:50 ` [PATCH 4/9] debugfs: " Stephen Boyd
2011-05-13 23:14 ` Greg KH
2011-05-12 23:50 ` [PATCH 5/9] kprobes: " Stephen Boyd
2011-05-13 0:29 ` Masami Hiramatsu
2011-05-12 23:50 ` [PATCH 6/9] Bluetooth: " Stephen Boyd
2011-05-13 21:06 ` Gustavo F. Padovan
2011-05-13 21:06 ` Gustavo F. Padovan
2011-05-12 23:50 ` [PATCH 7/9] ASoC: " Stephen Boyd
2011-05-16 16:26 ` Liam Girdwood
2011-05-16 16:26 ` Liam Girdwood
2011-05-16 20:22 ` Mark Brown
2011-05-16 20:22 ` Mark Brown
2011-05-12 23:50 ` [PATCH 8/9] x86: Implement strict user copy checks for x86_64 Stephen Boyd
2011-05-13 10:15 ` Ingo Molnar [this message]
2011-05-12 23:50 ` [PATCH 9/9] Consolidate CONFIG_DEBUG_STRICT_USER_COPY_CHECKS Stephen Boyd
2011-05-13 0:55 ` Chris Metcalf
2011-05-13 0:55 ` Chris Metcalf
2011-05-13 7:31 ` Ingo Molnar
2011-05-13 16:55 ` Arnd Bergmann
2011-05-24 21:29 ` [PATCH 0/9] strict user copy checks on x86_64 Stephen Boyd
2011-05-24 23:33 ` H. Peter Anvin
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