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Sat, 20 Mar 2021 03:58:56 -0700 (PDT) MIME-Version: 1.0 References: <20210206083552.24394-1-lecopzer.chen@mediatek.com> <20210319174108.GD6832@arm.com> In-Reply-To: <20210319174108.GD6832@arm.com> From: Lecopzer Chen Date: Sat, 20 Mar 2021 18:58:45 +0800 Message-ID: Subject: Re: [PATCH v3 0/5] arm64: kasan: support CONFIG_KASAN_VMALLOC To: Catalin Marinas Cc: Lecopzer Chen , Linux Kernel Mailing List , linux-mm@kvack.org, kasan-dev@googlegroups.com, linux-arm-kernel , Will Deacon , dan.j.williams@intel.com, aryabinin@virtuozzo.com, Alexander Potapenko , Dmitry Vyukov , Andrew Morton , linux-mediatek@lists.infradead.org, yj.chiang@mediatek.com, ardb@kernel.org, Andrey Konovalov , broonie@kernel.org, linux@roeck-us.net, rppt@kernel.org, tyhicks@linux.microsoft.com, robin.murphy@arm.com, vincenzo.frascino@arm.com, gustavoars@kernel.org Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: y4mn3fxyfwtkm57wa963sjrbw7h5jhdk X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 33D43C0001EE Received-SPF: none (gmail.com>: No applicable sender policy available) receiver=imf14; identity=mailfrom; envelope-from=""; helo=mail-pj1-f41.google.com; client-ip=209.85.216.41 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1616237937-129258 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sat, Mar 20, 2021 at 1:41 AM Catalin Marinas wrote: > > Hi Lecopzer, > > On Sat, Feb 06, 2021 at 04:35:47PM +0800, Lecopzer Chen wrote: > > Linux supports KAsan for VMALLOC since commit 3c5c3cfb9ef4da9 > > ("kasan: support backing vmalloc space with real shadow memory") > > > > Acroding to how x86 ported it [1], they early allocated p4d and pgd, > > but in arm64 I just simulate how KAsan supports MODULES_VADDR in arm64 > > by not to populate the vmalloc area except for kimg address. > > Do you plan an update to a newer kernel like 5.12-rc3? > Yes, of course. I dealt with some personal matters so didn't update these series last month. > > Signed-off-by: Lecopzer Chen > > Acked-by: Andrey Konovalov > > Tested-by: Andrey Konovalov > > Tested-by: Ard Biesheuvel > > You could move these to individual patches rather than the cover letter, > assuming that they still stand after the changes you've made. Also note > that Andrey K no longer has the @google.com email address if you cc him > on future patches (replace it with @gmail.com). > Ok thanks for the suggestion. I will move them to each patch and correct the email address. Thanks, Lecopzer