linux-kernel - Re: [PATCH RFC/RFT 1/3] mm: Introduce ARCH_HAS_USER_SHADOW

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Message-ID: <ZwlboA9JCgLJrOG2@debug.ba.rivosinc.com>
Date: Fri, 11 Oct 2024 10:08:48 -0700
From: Deepak Gupta <debug@...osinc.com>
To: Mark Brown <broonie@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Liam R. Howlett" <Liam.Howlett@...cle.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
	linux-arch@...r.kernel.org,
	Rick Edgecombe <rick.p.edgecombe@...el.com>,
	David Hildenbrand <david@...hat.com>,
	Carlos Bilbao <carlos.bilbao.osdev@...il.com>
Subject: Re: [PATCH RFC/RFT 1/3] mm: Introduce ARCH_HAS_USER_SHADOW_STACK

On Fri, Oct 11, 2024 at 11:33:24AM +0100, Mark Brown wrote:
>On Thu, Oct 10, 2024 at 05:32:03PM -0700, Deepak Gupta wrote:
>> From: Mark Brown <broonie@...nel.org>
>>
>> Since multiple architectures have support for shadow stacks and we need to
>> select support for this feature in several places in the generic code
>> provide a generic config option that the architectures can select.
>>
>> Suggested-by: David Hildenbrand <david@...hat.com>
>> Acked-by: David Hildenbrand <david@...hat.com>
>> Signed-off-by: Mark Brown <broonie@...nel.org>
>> Reviewed-by: Rick Edgecombe <rick.p.edgecombe@...el.com>
>> Reviewed-by: Deepak Gupta <debug@...osinc.com>
>> Reviewed-by: Carlos Bilbao <carlos.bilbao.osdev@...il.com>
>> ---
>
>You need to add your own signoff when resending things (though I guess
>this is likely to get applied to a tree that already contains this
>patch so it likely doesn't matter in the end).

oops :(