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Tue, 15 Sep 2020 04:47:10 -0700 (PDT) Received: from bobo.ozlabs.ibm.com ([203.185.249.227]) by smtp.gmail.com with ESMTPSA id u2sm12118077pji.50.2020.09.15.04.47.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Sep 2020 04:47:10 -0700 (PDT) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 5/6] powerpc/64: make restore_interrupts 64e only Date: Tue, 15 Sep 2020 21:46:49 +1000 Message-Id: <20200915114650.3980244-5-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200915114650.3980244-1-npiggin@gmail.com> References: <20200915114650.3980244-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This is not used by 64s. Signed-off-by: Nicholas Piggin --- arch/powerpc/kernel/irq.c | 37 +++++++++++++++++++------------------ 1 file changed, 19 insertions(+), 18 deletions(-) diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index b725509f9073..631e6d236c97 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -191,6 +191,25 @@ notrace unsigned int __check_irq_replay(void) return 0; } + +/* + * This is specifically called by assembly code to re-enable interrupts + * if they are currently disabled. This is typically called before + * schedule() or do_signal() when returning to userspace. We do it + * in C to avoid the burden of dealing with lockdep etc... + * + * NOTE: This is called with interrupts hard disabled but not marked + * as such in paca->irq_happened, so we need to resync this. + */ +void notrace restore_interrupts(void) +{ + if (irqs_disabled()) { + local_paca->irq_happened |= PACA_IRQ_HARD_DIS; + local_irq_enable(); + } else + __hard_irq_enable(); +} + #endif /* CONFIG_PPC_BOOK3E */ void replay_soft_interrupts(void) @@ -364,24 +383,6 @@ notrace void arch_local_irq_restore(unsigned long mask) } EXPORT_SYMBOL(arch_local_irq_restore); -/* - * This is specifically called by assembly code to re-enable interrupts - * if they are currently disabled. This is typically called before - * schedule() or do_signal() when returning to userspace. We do it - * in C to avoid the burden of dealing with lockdep etc... - * - * NOTE: This is called with interrupts hard disabled but not marked - * as such in paca->irq_happened, so we need to resync this. - */ -void notrace restore_interrupts(void) -{ - if (irqs_disabled()) { - local_paca->irq_happened |= PACA_IRQ_HARD_DIS; - local_irq_enable(); - } else - __hard_irq_enable(); -} - /* * This is a helper to use when about to go into idle low-power * when the latter has the side effect of re-enabling interrupts -- 2.23.0