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Mon, 18 May 2026 11:58:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 33FD2C2BCF7; Mon, 18 May 2026 11:58:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1779105520; bh=K24SxM5Jk6poQKxfEN9YLBDqAliKjqeNVG9128MZS2Q=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=qm7A5aj6/ykzEYe83pUe7lO4wvN6SdbDJQ/pWYMeYXI6qCNAXtHE00PNjaTaKTAp0 69cIf9hnUHt28wH4iDQdy2sxV5QhlzdIhMNKgw8hsHWDlyXfJArx7CL9V5lnrAfwPQ yQXwybF8uRI8LKXYtWSsX2rd0MD05Y+gohs27jBtoXOKwowezrACyFChvbuQno+I96 DYT4S93LKr6TMyZ+rS8QjH4GTJl+TCpoceEcMVld28RkZJj692hST/2ceRi5J+NSBb JJAL+9P3a3Rq2rY73aW4Sktdy7bEV+YIC0axUy1qHb/3Xqzo9SDoDZou9ce/71vFKh At/zkJ8ZP03rA== Message-ID: Date: Mon, 18 May 2026 21:58:36 +1000 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/2] LKDTM powerpc enhancements - Part2 To: Sayali Patil , linuxppc-dev@lists.ozlabs.org, maddy@linux.ibm.com Cc: linux-kernel@vger.kernel.org, Ritesh Harjani , Mahesh Salgaonkar , kees@kernel.org References: Content-Language: en-US From: Michael Ellerman In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 18/5/2026 16:56, Sayali Patil wrote: > Hi all, > > This series adds a new LKDTM trigger PPC_RADIX_TLBIEL, to validate > machine check handling on radix MMU systems and improves reliability of > the PPC_SLB_MULTIHIT test by adding isync instructions after slbmte > operations. > > Please review the patches and provide any feedback or suggestions > for improvement. > > Thanks, > Sayali > > --- > > v1->v2 > - Split the patch series into two parts. > - Updated "lkdtm/powerpc: add PPC_RADIX_TLBIEL test for radix MCE > validation" as per review comments: > Wrapped Hash-MMU specific functions with #ifdef CONFIG_PPC_64S_HASH_MMU. > Guarded powerpc_crashtypes registration with #ifdef CONFIG_PPC_BOOK3S_64 > Updated comment explaining the MCE trigger condition for radix MMU. > > v1: https://lore.kernel.org/all/cover.1778057685.git.sayalip@linux.ibm.com/ > --- > > Sayali Patil (2): > lkdtm/powerpc: add isync after slbmte to enforce SLB update ordering > lkdtm/powerpc: add PPC_RADIX_TLBIEL test for radix MCE validation > > drivers/misc/lkdtm/Makefile | 2 +- > drivers/misc/lkdtm/core.c | 2 +- > drivers/misc/lkdtm/powerpc.c | 49 +++++++++++++++++++++++++ > tools/testing/selftests/lkdtm/tests.txt | 1 + > 4 files changed, 52 insertions(+), 2 deletions(-) Both changes look good to me. You should send them to Kees, who maintains lkdtm. I've added him to Cc, but that may not be sufficient to get his attention. Reviewed-by: Michael Ellerman cheers