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McKenney" , Josh Triplett , Mathieu Desnoyers , Lai Jiangshan , Shuah Khan , rcu@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [patch 07/13] uaccess: Clenaup PREEMPT_COUNT leftovers References: <20200914204209.256266093@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-transfer-encoding: 8-bit X-Rspamd-Queue-Id: 1E1971A4A0 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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: CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be removed. Cleanup the leftovers before doing so. Signed-off-by: Thomas Gleixner --- include/linux/uaccess.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -230,9 +230,9 @@ static inline bool pagefault_disabled(vo * * 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())