linux-kernel - Re: [PATCH v2] kselftest/arm64: Add a smoke test for ptracing hardware break/watch points

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Message-Id: <168509385498.1547913.7827809763054726991.b4-ty@arm.com>
Date:   Fri, 26 May 2023 10:37:38 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Will Deacon <will@...nel.org>, Shuah Khan <shuah@...nel.org>,
        Mark Brown <broonie@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] kselftest/arm64: Add a smoke test for ptracing hardware break/watch points

On Mon, 22 May 2023 15:28:00 +0100, Mark Brown wrote:
> There was a report that the hardware breakpoints and watch points weren't
> reporting the debug architecture version as expected, they were reporting
> a version of 0 which is not defined in the architecture.  This happens
> when running in a KVM guest if the host has a debug architecture version
> not supported by KVM, it in turn confuses GDB which rejects any debug
> architecture version it does not know about.
> 
> [...]

Applied to arm64 (for-next/kselftest), thanks!

[1/1] kselftest/arm64: Add a smoke test for ptracing hardware break/watch points
      https://git.kernel.org/arm64/c/cb5aa6379438

-- 
Catalin