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Mon, 11 Jul 2022 12:20:29 -0700 (PDT) Date: Mon, 11 Jul 2022 12:20:22 -0700 From: Sami Tolvanen To: Haibo Li Cc: xiaoming.yu@mediatek.com, Kees Cook , Nathan Chancellor , Nick Desaulniers , Matthias Brugger , Peter Zijlstra , Masami Hiramatsu , Christophe Leroy , =?iso-8859-1?Q?Andr=E9?= Almeida , Luis Chamberlain , Juergen Gross , Tiezhu Yang , Aaron Tomlin , Dmitry Torokhov , linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH v2 0/2] cfi: free old cfi shadow asynchronously Message-ID: References: <20220704014046.34596-1-haibo.li@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220704014046.34596-1-haibo.li@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220711_122036_384678_A7AB99B2 X-CRM114-Status: GOOD ( 13.82 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Mon, Jul 04, 2022 at 09:40:44AM +0800, Haibo Li wrote: > This patchset changes synchronize_rcu to call_rcu in update_shadow. > > Patch 1 enables the CFI sanitization for cfi.c and > bypass __cfi_slowpath_diag. > It is the prerequisite for using call_rcu in cfi.c. > > Patch 2 changes synchronize_rcu to call_rcu and > free old cfi shadow in rcu cb > > Changes in v2: > - Remove _run_cfi_check,add __nocfi to __cfi_slowpath_diag directly > - Rename _cfi_shadow_free_rcu to free_shadow > > Haibo Li (2): > cfi: enable sanitize for cfi.c > cfi: free old cfi shadow asynchronously > > kernel/Makefile | 3 --- > kernel/cfi.c | 14 +++++++++++--- > 2 files changed, 11 insertions(+), 6 deletions(-) Thanks for sending v2! 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Mon, 11 Jul 2022 12:20:29 -0700 (PDT) Date: Mon, 11 Jul 2022 12:20:22 -0700 From: Sami Tolvanen To: Haibo Li Cc: xiaoming.yu@mediatek.com, Kees Cook , Nathan Chancellor , Nick Desaulniers , Matthias Brugger , Peter Zijlstra , Masami Hiramatsu , Christophe Leroy , =?iso-8859-1?Q?Andr=E9?= Almeida , Luis Chamberlain , Juergen Gross , Tiezhu Yang , Aaron Tomlin , Dmitry Torokhov , linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH v2 0/2] cfi: free old cfi shadow asynchronously Message-ID: References: <20220704014046.34596-1-haibo.li@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220704014046.34596-1-haibo.li@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220711_122036_311042_216994B2 X-CRM114-Status: GOOD ( 15.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jul 04, 2022 at 09:40:44AM +0800, Haibo Li wrote: > This patchset changes synchronize_rcu to call_rcu in update_shadow. > > Patch 1 enables the CFI sanitization for cfi.c and > bypass __cfi_slowpath_diag. > It is the prerequisite for using call_rcu in cfi.c. > > Patch 2 changes synchronize_rcu to call_rcu and > free old cfi shadow in rcu cb > > Changes in v2: > - Remove _run_cfi_check,add __nocfi to __cfi_slowpath_diag directly > - Rename _cfi_shadow_free_rcu to free_shadow > > Haibo Li (2): > cfi: enable sanitize for cfi.c > cfi: free old cfi shadow asynchronously > > kernel/Makefile | 3 --- > kernel/cfi.c | 14 +++++++++++--- > 2 files changed, 11 insertions(+), 6 deletions(-) Thanks for sending v2! For the series: Reviewed-by: Sami Tolvanen Sami _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel