Message ID | 20200914204441.579902354@linutronix.de |
---|---|
State | Not Applicable |
Headers | show
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a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1600116311; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=jSFTo2fNR1Fdj7RHwVSUWdICcz7BXx9GuxCsTljfBDc=; b=iut+FC9xX/+WwHylk5Bo+ib2vZPOOOfiQ/k306Td/lwmjp/fN6Nz77KXB6ZCuxjuePB6sn U5e1M/wY5OUVmsAw== Date: Mon, 14 Sep 2020 22:42:15 +0200 From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Subject: [patch 06/13] locking/bitspinlock: Clenaup PREEMPT_COUNT leftovers References: <20200914204209.256266093@linutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200914_164512_728737_869468FB X-CRM114-Status: GOOD ( 12.27 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [2a0a:51c0:0:12e:550:0:0:1 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-um.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-um>, <mailto:linux-um-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-um/> List-Post: <mailto:linux-um@lists.infradead.org> List-Help: <mailto:linux-um-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-um>, <mailto:linux-um-request@lists.infradead.org?subject=subscribe> Cc: Juri Lelli <juri.lelli@redhat.com>, Peter Zijlstra <peterz@infradead.org>, Sebastian Andrzej Siewior <bigeasy@linutronix.de>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>, Lai Jiangshan <jiangshanlai@gmail.com>, dri-devel@lists.freedesktop.org, Ben Segall <bsegall@google.com>, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-hexagon@vger.kernel.org, Will Deacon <will@kernel.org>, Ingo Molnar <mingo@kernel.org>, Anton Ivanov <anton.ivanov@cambridgegreys.com>, linux-arch@vger.kernel.org, Vincent Guittot <vincent.guittot@linaro.org>, Brian Cain <bcain@codeaurora.org>, Richard Weinberger <richard@nod.at>, Russell King <linux@armlinux.org.uk>, David Airlie <airlied@linux.ie>, Ingo Molnar <mingo@redhat.com>, Geert Uytterhoeven <geert@linux-m68k.org>, Mel Gorman <mgorman@suse.de>, intel-gfx@lists.freedesktop.org, Matt Turner <mattst88@gmail.com>, Valentin Schneider <valentin.schneider@arm.com>, linux-xtensa@linux-xtensa.org, Shuah Khan <shuah@kernel.org>, "Paul E. McKenney" <paulmck@kernel.org>, Jeff Dike <jdike@addtoit.com>, linux-um@lists.infradead.org, Josh Triplett <josh@joshtriplett.org>, Steven Rostedt <rostedt@goodmis.org>, rcu@vger.kernel.org, linux-m68k@lists.linux-m68k.org, Ivan Kokshaysky <ink@jurassic.park.msu.ru>, Jani Nikula <jani.nikula@linux.intel.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>, Dietmar Eggemann <dietmar.eggemann@arm.com>, linux-arm-kernel@lists.infradead.org, Richard Henderson <rth@twiddle.net>, Chris Zankel <chris@zankel.net>, Max Filippov <jcmvbkbc@gmail.com>, Linus Torvalds <torvalds@linuxfoundation.org>, Daniel Vetter <daniel@ffwll.ch>, linux-alpha@vger.kernel.org, Mathieu Desnoyers <mathieu.desnoyers@efficios.com>, Andrew Morton <akpm@linux-foundation.org>, Daniel Bristot de Oliveira <bristot@redhat.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" <linux-um-bounces@lists.infradead.org> Errors-To: linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
Series |
preempt: Make preempt count unconditional
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expand
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On Mon, Sep 14, 2020 at 10:42:15PM +0200, Thomas Gleixner wrote: > CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be > removed. Cleanup the leftovers before doing so. > > Signed-off-by: Thomas Gleixner <tglx@linutronix.de> > --- > include/linux/bit_spinlock.h | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > --- a/include/linux/bit_spinlock.h > +++ b/include/linux/bit_spinlock.h > @@ -90,10 +90,8 @@ static inline int bit_spin_is_locked(int > { > #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) > return test_bit(bitnum, addr); > -#elif defined CONFIG_PREEMPT_COUNT > - return preempt_count(); > #else > - return 1; > + return preempt_count(); > #endif Acked-by: Will Deacon <will@kernel.org> Will
--- a/include/linux/bit_spinlock.h +++ b/include/linux/bit_spinlock.h @@ -90,10 +90,8 @@ static inline int bit_spin_is_locked(int { #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) return test_bit(bitnum, addr); -#elif defined CONFIG_PREEMPT_COUNT - return preempt_count(); #else - return 1; + return preempt_count(); #endif }
CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be removed. Cleanup the leftovers before doing so. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- include/linux/bit_spinlock.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)