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Message-ID: <ZtYKYMWjApRxFO_-@arm.com>
Date: Mon, 2 Sep 2024 19:56:32 +0100
From: Catalin Marinas <catalin.marinas@....com>
To: Mark Brown <broonie@...nel.org>
Cc: Will Deacon <will@...nel.org>, Jonathan Corbet <corbet@....net>,
Andrew Morton <akpm@...ux-foundation.org>,
Marc Zyngier <maz@...nel.org>,
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Subject: Re: [PATCH v12 26/39] arm64/ptrace: Expose GCS via ptrace and core
files
On Thu, Aug 29, 2024 at 12:27:42AM +0100, Mark Brown wrote:
> +static int gcs_get(struct task_struct *target,
> + const struct user_regset *regset,
> + struct membuf to)
> +{
> + struct user_gcs user_gcs;
> +
> + if (target == current)
> + gcs_preserve_current_state();
What's the use-case where target == current and do we need something
similar for gcs_set()?
--
Catalin
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