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[90.235.1.92]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-52fd5bd0bf6sm2273906e87.67.2024.07.31.06.38.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 Jul 2024 06:38:36 -0700 (PDT) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Wed, 31 Jul 2024 15:38:33 +0200 To: Huang Adrian Cc: Uladzislau Rezki , ahuang12@lenovo.com, akpm@linux-foundation.org, andreyknvl@gmail.com, bhe@redhat.com, dvyukov@google.com, glider@google.com, hch@infradead.org, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ryabinin.a.a@gmail.com, sunjw10@lenovo.com, vincenzo.frascino@arm.com Subject: Re: [PATCH 1/1] mm/vmalloc: Combine all TLB flush operations of KASAN shadow virtual address into one operation Message-ID: References: <20240730093630.5603-1-ahuang12@lenovo.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Wed, Jul 31, 2024 at 08:39:00AM +0800, Huang Adrian wrote: > On Wed, Jul 31, 2024 at 12:42 AM Uladzislau Rezki wrote: > > Thank you for posting this! So tasklist_lock is not a problem. > > I assume you have a full output of lock_stat. Could you please > > paste it for v6.11-rc1 + KASAN? > > Full output: https://gist.github.com/AdrianHuang/2c2c97f533ba467ff32781590279ccc9 > I do not see anything obvious. So it means that CSD lock debugging should be done. But this is another story :) Thank you for helping! -- Uladzislau Rezki