From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756017Ab3HZDAq (ORCPT ); Sun, 25 Aug 2013 23:00:46 -0400 Received: from mail7.windriver.com ([128.224.252.3]:55641 "EHLO mail7.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755899Ab3HZDAo (ORCPT ); Sun, 25 Aug 2013 23:00:44 -0400 From: Tiejun Chen To: CC: Subject: [v4][PATCH 6/8] book3e/kexec/kdump: implement ppc64 kexec specfic Date: Mon, 26 Aug 2013 11:00:56 +0800 Message-ID: <1377486058-30379-7-git-send-email-tiejun.chen@windriver.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1377486058-30379-1-git-send-email-tiejun.chen@windriver.com> References: <1377486058-30379-1-git-send-email-tiejun.chen@windriver.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ppc64 kexec mechanism has a different implementation with ppc32. Signed-off-by: Tiejun Chen --- arch/powerpc/platforms/85xx/smp.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c index 549948a..137ad10 100644 --- a/arch/powerpc/platforms/85xx/smp.c +++ b/arch/powerpc/platforms/85xx/smp.c @@ -277,6 +277,7 @@ struct smp_ops_t smp_85xx_ops = { }; #ifdef CONFIG_KEXEC +#ifdef CONFIG_PPC32 atomic_t kexec_down_cpus = ATOMIC_INIT(0); void mpc85xx_smp_kexec_cpu_down(int crash_shutdown, int secondary) @@ -295,6 +296,14 @@ static void mpc85xx_smp_kexec_down(void *arg) if (ppc_md.kexec_cpu_down) ppc_md.kexec_cpu_down(0,1); } +#else +void mpc85xx_smp_kexec_cpu_down(int crash_shutdown, int secondary) +{ + local_irq_disable(); + hard_irq_disable(); + mpic_teardown_this_cpu(secondary); +} +#endif static void map_and_flush(unsigned long paddr) { @@ -346,11 +355,14 @@ static void mpc85xx_smp_flush_dcache_kexec(struct kimage *image) static void mpc85xx_smp_machine_kexec(struct kimage *image) { +#ifdef CONFIG_PPC32 int timeout = INT_MAX; int i, num_cpus = num_present_cpus(); +#endif mpc85xx_smp_flush_dcache_kexec(image); +#ifdef CONFIG_PPC32 if (image->type == KEXEC_TYPE_DEFAULT) smp_call_function(mpc85xx_smp_kexec_down, NULL, 0); @@ -368,6 +380,7 @@ static void mpc85xx_smp_machine_kexec(struct kimage *image) if ( i == smp_processor_id() ) continue; mpic_reset_core(i); } +#endif default_machine_kexec(image); } -- 1.7.9.5