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[94.245.46.49]) by smtp.gmail.com with ESMTPSA id s1sm331832lfd.236.2020.10.29.09.50.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Oct 2020 09:50:42 -0700 (PDT) From: "Uladzislau Rezki (Sony)" To: LKML , RCU , "Paul E . McKenney" Cc: Andrew Morton , Peter Zijlstra , Michal Hocko , Thomas Gleixner , "Theodore Y . Ts'o" , Joel Fernandes , Sebastian Andrzej Siewior , Uladzislau Rezki , Oleksiy Avramchenko Subject: [PATCH 08/16] uaccess: Cleanup PREEMPT_COUNT leftovers Date: Thu, 29 Oct 2020 17:50:11 +0100 Message-Id: <20201029165019.14218-8-urezki@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201029165019.14218-1-urezki@gmail.com> References: <20201029165019.14218-1-urezki@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Thomas Gleixner CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be removed. Cleanup the leftovers before doing so. Signed-off-by: Thomas Gleixner Signed-off-by: Uladzislau Rezki (Sony) --- include/linux/uaccess.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index c7c6e8b8344d..d6473a72a336 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -275,9 +275,9 @@ static inline bool pagefault_disabled(void) * * This function should only be used by the fault handlers. Other users should * stick to pagefault_disabled(). - * Please NEVER use preempt_disable() to disable the fault handler. With - * !CONFIG_PREEMPT_COUNT, this is like a NOP. So the handler won't be disabled. - * in_atomic() will report different values based on !CONFIG_PREEMPT_COUNT. + * + * Please NEVER use preempt_disable() or local_irq_disable() to disable the + * fault handler. */ #define faulthandler_disabled() (pagefault_disabled() || in_atomic()) -- 2.20.1