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From: Catalin Marinas <catalin.marinas@arm.com>
To: Sami Tolvanen <samitolvanen@google.com>
Cc: Will Deacon <will@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	James Morse <james.morse@arm.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Kees Cook <keescook@chromium.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] scs: switch to vmapped shadow stacks
Date: Tue, 17 Nov 2020 17:35:24 +0000	[thread overview]
Message-ID: <X7QJ3PbYm4kxGAEt@trantor> (raw)
In-Reply-To: <20201022202355.3529836-1-samitolvanen@google.com>

On Thu, Oct 22, 2020 at 01:23:53PM -0700, Sami Tolvanen wrote:
> As discussed a few months ago [1][2], virtually mapped shadow call stacks
> are better for safety and robustness. This series dusts off the VMAP
> option from the original SCS patch series and switches the kernel to use
> virtually mapped shadow stacks unconditionally when SCS is enabled.
> 
>  [1] https://lore.kernel.org/lkml/20200515172355.GD23334@willie-the-truck/
>  [2] https://lore.kernel.org/lkml/20200427220942.GB80713@google.com/
> 
> 
> Sami Tolvanen (2):
>   scs: switch to vmapped shadow stacks
>   arm64: scs: use vmapped IRQ and SDEI shadow stacks

Will, Mark. Any objections to this series? If not, I can queue it for
5.11 via the arm64 tree.

Thanks.

-- 
Catalin

  parent reply	other threads:[~2020-11-17 17:35 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-22 20:23 [PATCH 0/2] scs: switch to vmapped shadow stacks Sami Tolvanen
2020-10-22 20:23 ` [PATCH 1/2] " Sami Tolvanen
2020-10-22 22:38   ` Kees Cook
2020-11-19 13:00   ` Will Deacon
2020-11-20 17:00     ` Sami Tolvanen
2020-11-23 11:08       ` Will Deacon
2020-10-22 20:23 ` [PATCH 2/2] arm64: scs: use vmapped IRQ and SDEI " Sami Tolvanen
2020-10-22 22:38   ` Kees Cook
2020-11-19 13:11   ` Will Deacon
2020-11-17 17:35 ` Catalin Marinas [this message]
2020-11-18  9:27   ` [PATCH 0/2] scs: switch to vmapped " Will Deacon

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