From: Tiejun Chen <tiejun.chen@windriver.com>
To: <benh@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [PATCH 5/6] book3e/kexec/kdump: skip ppc32 kexec specfic
Date: Thu, 15 Nov 2012 17:39:55 +0800 [thread overview]
Message-ID: <1352972396-13489-6-git-send-email-tiejun.chen@windriver.com> (raw)
In-Reply-To: <1352972396-13489-1-git-send-email-tiejun.chen@windriver.com>
ppc64 kexec mechanism has a different implementation with ppc32
so skipp those ppc32 specfic.
Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
---
arch/powerpc/platforms/85xx/smp.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index c7febd5..d3ec57c 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -257,6 +257,7 @@ 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)
@@ -275,6 +276,13 @@ 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();
+ mpic_teardown_this_cpu(secondary);
+}
+#endif
static void map_and_flush(unsigned long paddr)
{
@@ -326,11 +334,14 @@ 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);
@@ -348,6 +359,7 @@ 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
next prev parent reply other threads:[~2012-11-15 9:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-15 9:39 [PATCH 0/6] powerpc/book3e: support kexec and kdump Tiejun Chen
2012-11-15 9:39 ` [PATCH 1/6] powerpc/book3e: support CONFIG_RELOCATABLE Tiejun Chen
2012-11-15 9:39 ` [PATCH 2/6] book3e/kexec/kdump: enable kexec for kernel Tiejun Chen
2012-11-15 9:39 ` [PATCH 3/6] book3e/kexec/kdump: create a 1:1 TLB mapping Tiejun Chen
2012-11-15 9:39 ` [PATCH 4/6] book3e/kexec/kdump: introduce a kexec kernel flag Tiejun Chen
2012-11-15 9:39 ` Tiejun Chen [this message]
2012-11-15 9:39 ` [PATCH 6/6] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET Tiejun Chen
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