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From: schwab@suse.de (Andreas Schwab)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv2] ARM64:Fix MINSIGSTKSZ and SIGSTKSZ
Date: Tue, 06 Oct 2015 13:52:24 +0200	[thread overview]
Message-ID: <mvma8rw8b9j.fsf@hawking.suse.de> (raw)
In-Reply-To: <20151006113328.GP6281@e103592.cambridge.arm.com> (Dave Martin's message of "Tue, 6 Oct 2015 12:33:28 +0100")

Dave Martin <Dave.Martin@arm.com> writes:

> On Tue, Oct 06, 2015 at 12:59:45PM +0200, Andreas Schwab wrote:
>> Arnd Bergmann <arnd@arndb.de> writes:
>> 
>> > I think it makes sense to stick with the traditional definition
>> > of MINSIGSTKSZ == "the minimum amount that you will always need,
>> > add whatever you require yourself" and SIGSTKSZ == "Should be
>> > enough for a couple of function calls".
>> 
>> The python3 testsuite wants to put two signal frames in a SIGSTKSZ
>> stack.
>
> Whether it's valid to expect SIGSTKSZ to be big enough for that is
> debatable.

This is tracked in <https://bugs.python.org/issue22503>.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab at suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

WARNING: multiple messages have this Message-ID (diff)
From: Andreas Schwab <schwab@suse.de>
To: Dave Martin <Dave.Martin@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
	catalin.marinas@arm.com, will.deacon@arm.com,
	linux-kernel@vger.kernel.org,
	Akhilesh Kumar <akhilesh.k@samsung.com>,
	Manjeet Pawar <manjeet.p@samsung.com>,
	Rohit Thapliyal <r.thapliyal@samsung.com>,
	linux-arm-kernel@lists.infradead.org, pankaj.m@samsung.com
Subject: Re: [PATCHv2] ARM64:Fix MINSIGSTKSZ and SIGSTKSZ
Date: Tue, 06 Oct 2015 13:52:24 +0200	[thread overview]
Message-ID: <mvma8rw8b9j.fsf@hawking.suse.de> (raw)
In-Reply-To: <20151006113328.GP6281@e103592.cambridge.arm.com> (Dave Martin's message of "Tue, 6 Oct 2015 12:33:28 +0100")

Dave Martin <Dave.Martin@arm.com> writes:

> On Tue, Oct 06, 2015 at 12:59:45PM +0200, Andreas Schwab wrote:
>> Arnd Bergmann <arnd@arndb.de> writes:
>> 
>> > I think it makes sense to stick with the traditional definition
>> > of MINSIGSTKSZ == "the minimum amount that you will always need,
>> > add whatever you require yourself" and SIGSTKSZ == "Should be
>> > enough for a couple of function calls".
>> 
>> The python3 testsuite wants to put two signal frames in a SIGSTKSZ
>> stack.
>
> Whether it's valid to expect SIGSTKSZ to be big enough for that is
> debatable.

This is tracked in <https://bugs.python.org/issue22503>.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

  reply	other threads:[~2015-10-06 11:52 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-06  5:35 [PATCHv2] ARM64:Fix MINSIGSTKSZ and SIGSTKSZ Manjeet Pawar
2015-10-06  5:35 ` Manjeet Pawar
2015-10-06  7:49 ` Arnd Bergmann
2015-10-06  7:49   ` Arnd Bergmann
2015-10-06  9:37   ` Catalin Marinas
2015-10-06  9:37     ` Catalin Marinas
2015-10-06 10:31   ` Dave Martin
2015-10-06 10:31     ` Dave Martin
2015-10-06 10:51     ` Arnd Bergmann
2015-10-06 10:51       ` Arnd Bergmann
2015-10-06 10:59       ` Andreas Schwab
2015-10-06 10:59         ` Andreas Schwab
2015-10-06 11:33         ` Dave Martin
2015-10-06 11:33           ` Dave Martin
2015-10-06 11:52           ` Andreas Schwab [this message]
2015-10-06 11:52             ` Andreas Schwab
2015-10-06 12:49             ` Dave Martin
2015-10-06 12:49               ` Dave Martin
2015-10-06 11:22       ` Dave Martin
2015-10-06 11:22         ` Dave Martin
2015-10-09  8:41       ` Arnd Bergmann
2015-10-09  8:41         ` Arnd Bergmann
2015-10-12 13:53         ` Dave Martin
2015-10-12 13:53           ` Dave Martin
2015-10-06 10:19 ` Will Deacon
2015-10-06 10:19   ` Will Deacon
  -- strict thread matches above, loose matches on Subject: below --
2015-10-09  8:17 Manjeet Pawar

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