linux-kernel - Re: [PATCH v4 01/18] arm64: stacktrace: Add shared header for common stack unwinding code

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Date:   Fri, 15 Jul 2022 13:37:04 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Kalesh Singh <kaleshsingh@...gle.com>
Cc:     maz@...nel.org, mark.rutland@....com, madvenka@...ux.microsoft.com,
        will@...nel.org, qperret@...gle.com, tabba@...gle.com,
        james.morse@....com, alexandru.elisei@....com,
        suzuki.poulose@....com, catalin.marinas@....com,
        andreyknvl@...il.com, russell.king@...cle.com,
        vincenzo.frascino@....com, mhiramat@...nel.org, ast@...nel.org,
        drjones@...hat.com, wangkefeng.wang@...wei.com, elver@...gle.com,
        keirf@...gle.com, yuzenghui@...wei.com, ardb@...nel.org,
        oupton@...gle.com, linux-arm-kernel@...ts.infradead.org,
        kvmarm@...ts.cs.columbia.edu, linux-kernel@...r.kernel.org,
        android-mm@...gle.com, kernel-team@...roid.com
Subject: Re: [PATCH v4 01/18] arm64: stacktrace: Add shared header for common
 stack unwinding code

On Thu, Jul 14, 2022 at 11:10:10PM -0700, Kalesh Singh wrote:
> In order to reuse the arm64 stack unwinding logic for the nVHE
> hypervisor stack, move the common code to a shared header
> (arch/arm64/include/asm/stacktrace/common.h).
> 
> The nVHE hypervisor cannot safely link against kernel code, so we
> make use of the shared header to avoid duplicated logic later in
> this series.

Reviewed-by: Mark Brown <broonie@...nel.org>

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