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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1703020796; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=edMpd9BGEGYDrNpVSYxtSqq0y4QzGBIBITzoL+fELBg=; b=wLCvb7tPTet1ewSEyphPkF5jb5wDKB5Vbjqh4le8R0Rn4fxhBnuoKo1fqvqY8SToVNk61x B1M4ri9j+O+GWc0OTT6fKsTtU9b1+XLXknmEYWgtYmEYdY8Rhj98SmDUO40SSsLlBIWU+r c2X4Jz1fohy0rf+kfz6yYZ33Z5V2yZ0= From: andrey.konovalov@linux.dev To: Andrew Morton Cc: Andrey Konovalov , Marco Elver , Alexander Potapenko , Dmitry Vyukov , Vlastimil Babka , kasan-dev@googlegroups.com, Evgenii Stepanov , Tetsuo Handa , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov Subject: [PATCH v3 mm 0/4] lib/stackdepot, kasan: fixes for stack eviction series Date: Tue, 19 Dec 2023 22:19:49 +0100 Message-Id: MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 7E021C0013 X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: x6xud4jnu7f9xntkhbm4pzs1nskikpfj X-HE-Tag: 1703020798-188534 X-HE-Meta: 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 5UWegbeo jpHoTE8GBSrJlbShPHGIUOtoo1IuqDwFHc8GREejhnpTbjeYuUoFC1ajLKqeCYUqEEleFmBi+w4roYOeRmHwlnbfY2w== 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: List-Subscribe: List-Unsubscribe: From: Andrey Konovalov A few fixes for the stack depot eviction series. Changes v2->v3: - Use raw spinlock instead of spinlock to avoid issues on RT kernels. Changes v1->v2: - Add Fixes tags. - Use per-object spinlock for protecting aux stack handles instead of a global one. Andrey Konovalov (4): lib/stackdepot: add printk_deferred_enter/exit guards kasan: handle concurrent kasan_record_aux_stack calls kasan: memset free track in qlink_free lib/stackdepot: fix comment in include/linux/stackdepot.h include/linux/stackdepot.h | 2 -- lib/stackdepot.c | 9 +++++++++ mm/kasan/generic.c | 32 +++++++++++++++++++++++++++++--- mm/kasan/kasan.h | 8 ++++++++ mm/kasan/quarantine.c | 2 +- 5 files changed, 47 insertions(+), 6 deletions(-)