linux-kernel - Re: [PATCH v2 32/43] tile: Use set_current_blocked() and block

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Date:	Mon, 29 Aug 2011 16:44:26 -0400
From:	Chris Metcalf <cmetcalf@...era.com>
To:	Matt Fleming <matt@...sole-pimps.org>
CC:	Oleg Nesterov <oleg@...hat.com>, <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v2 32/43] tile: Use set_current_blocked() and block_sigmask()

On 8/19/2011 12:46 PM, Matt Fleming wrote:
> From: Matt Fleming <matt.fleming@...el.com>
>
> As described in e6fa16ab ("signal: sigprocmask() should do
> retarget_shared_pending()") the modification of current->blocked is
> incorrect as we need to check whether the signal we're about to block
> is pending in the shared queue.
>
> Also, use the new helper function block_sigmask() which centralises
> the code for updating current->blocked after successfully delivering a
> signal and reduces the amount of duplicate code across
> architectures. In the past some architectures got this code wrong, so
> using this helper function should stop that from happening again.
>
> Cc: Oleg Nesterov <oleg@...hat.com>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Chris Metcalf <cmetcalf@...era.com>
> Signed-off-by: Matt Fleming <matt.fleming@...el.com>
> ---
>
> v2 of this patch depends on "[PATCH 01/43] signal: Add block_sigmask()
> for adding sigmask to current->blocked" so they need to go through the
> same tree but this patch would benefit from some maintainer ACK's.
>
> Chris, I dropped your Acked-by because I felt this patch changed quite
> dramatically since v1 and warrants another review. I hope that's OK.
>
>
>  arch/tile/kernel/compat_signal.c |    5 +----
>  arch/tile/kernel/signal.c        |   13 ++-----------
>  2 files changed, 3 insertions(+), 15 deletions(-)
>

Still looks good to me :-)

Acked-by: Chris Metcalf <cmetcalf@...era.com>

Sorry for the late reply; I was away on vacation.

-- 
Chris Metcalf, Tilera Corp.
http://www.tilera.com

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