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From: Mark Brown <broonie@kernel.org>
To: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
Cc: "dietmar.eggemann@arm.com" <dietmar.eggemann@arm.com>,
	"keescook@chromium.org" <keescook@chromium.org>,
	"shuah@kernel.org" <shuah@kernel.org>,
	"Szabolcs.Nagy@arm.com" <Szabolcs.Nagy@arm.com>,
	"linux-api@vger.kernel.org" <linux-api@vger.kernel.org>,
	"debug@rivosinc.com" <debug@rivosinc.com>,
	"mgorman@suse.de" <mgorman@suse.de>,
	"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
	"fweimer@redhat.com" <fweimer@redhat.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"hjl.tools@gmail.com" <hjl.tools@gmail.com>,
	"rostedt@goodmis.org" <rostedt@goodmis.org>,
	"tglx@linutronix.de" <tglx@linutronix.de>,
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	"brauner@kernel.org" <brauner@kernel.org>,
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	"will@kernel.org" <will@kernel.org>,
	"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
	"peterz@infradead.org" <peterz@infradead.org>,
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	"bsegall@google.com" <bsegall@google.com>,
	"linux-kselftest@vger.kernel.org"
	<linux-kselftest@vger.kernel.org>,
	"Pandey, Sunil K" <sunil.k.pandey@intel.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"juri.lelli@redhat.com" <juri.lelli@redhat.com>
Subject: Re: [PATCH RFC RFT v2 2/5] fork: Add shadow stack support to clone3()
Date: Mon, 20 Nov 2023 16:11:05 +0000	[thread overview]
Message-ID: <0f7747d2-f2ee-4e3e-be70-231673365339@sirena.org.uk> (raw)
In-Reply-To: <2f92f798a1807679d193fa19b217486f57398163.camel@intel.com>

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On Fri, Nov 17, 2023 at 05:43:26PM +0000, Edgecombe, Rick P wrote:

> Either of those seem fine to me, but it would be nice to get it vetted
> by the libc folks before committing. I'd maybe lean towards the one you
> suggested without the new flag.

I'll go with just taking the stack size as a parameter then, less
validation, hopefully the userspace people will be OK with that - I
agree it'd be best to get their buy in.

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  reply	other threads:[~2023-11-20 16:11 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-14 20:05 [PATCH RFC RFT v2 0/5] fork: Support shadow stacks in clone3() Mark Brown
2023-11-14 20:05 ` [PATCH RFC RFT v2 1/5] mm: Introduce ARCH_HAS_USER_SHADOW_STACK Mark Brown
2023-11-14 23:22   ` Edgecombe, Rick P
2023-11-15 14:55     ` Mark Brown
2023-11-15 15:12   ` David Hildenbrand
2023-11-15 15:36   ` Deepak Gupta
2023-11-14 20:05 ` [PATCH RFC RFT v2 2/5] fork: Add shadow stack support to clone3() Mark Brown
2023-11-15  0:45   ` Edgecombe, Rick P
2023-11-15 12:36     ` Mark Brown
2023-11-15 16:20       ` Szabolcs.Nagy
2023-11-15 18:43         ` Mark Brown
2023-11-16  0:52           ` Edgecombe, Rick P
2023-11-16 10:32             ` Szabolcs.Nagy
2023-11-16 12:33               ` Mark Brown
2023-11-16 13:12                 ` Szabolcs.Nagy
2023-11-16 13:55                 ` Szabolcs.Nagy
2023-11-16 15:35                   ` Mark Brown
2023-11-16 18:11                     ` Edgecombe, Rick P
2023-11-16 18:41                       ` Mark Brown
2023-11-17 17:43                         ` Edgecombe, Rick P
2023-11-20 16:11                           ` Mark Brown [this message]
2023-11-16 18:14             ` Mark Brown
2023-11-16 18:33               ` Edgecombe, Rick P
2023-11-17 20:51   ` Deepak Gupta
2023-11-14 20:05 ` [PATCH RFC RFT v2 3/5] selftests/clone3: Factor more of main loop into test_clone3() Mark Brown
2023-11-14 20:05 ` [PATCH RFC RFT v2 4/5] selftests/clone3: Allow tests to flag if -E2BIG is a valid error code Mark Brown
2023-11-14 20:05 ` [PATCH RFC RFT v2 5/5] kselftest/clone3: Test shadow stack support Mark Brown
2023-11-14 23:11   ` Edgecombe, Rick P
2023-11-15 12:53     ` Mark Brown
2023-11-17 18:16     ` Edgecombe, Rick P
2023-11-17 21:12     ` Deepak Gupta
2023-11-20 15:47       ` Mark Brown

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