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From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
To: Huang Ying <ying.huang@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
	Andi Kleen <ak@linux.intel.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH 1/4] mce-inject: make raise_global()
Date: Fri, 09 Oct 2009 14:44:01 +0900	[thread overview]
Message-ID: <4ACECDA1.7020004@jp.fujitsu.com> (raw)
In-Reply-To: <4ACECC49.7000602@jp.fujitsu.com>

Move large block into a function.  No code changed.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
---
 arch/x86/kernel/cpu/mcheck/mce-inject.c |   73 ++++++++++++++++++-------------
 1 files changed, 42 insertions(+), 31 deletions(-)

diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c
index a481291..835c072 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-inject.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c
@@ -148,6 +148,45 @@ static int raise_local(void)
 	return ret;
 }
 
+#ifdef CONFIG_X86_LOCAL_APIC
+static void raise_global(void)
+{
+	unsigned long start;
+	int cpu;
+
+	get_online_cpus();
+	mce_inject_cpumask = cpu_online_map;
+	cpu_clear(get_cpu(), mce_inject_cpumask);
+
+	for_each_online_cpu(cpu) {
+		struct mce *m = &per_cpu(mce_fake_banks, cpu).injectm;
+		if (!m->finished || MCE_INJ_CTX(m->inject_flags)
+							!= MCE_INJ_CTX_RANDOM)
+			cpu_clear(cpu, mce_inject_cpumask);
+	}
+	/* make sure mce_inject_cpumask is visible on other CPUs */
+	smp_mb();
+
+	if (!cpus_empty(mce_inject_cpumask))
+		apic->send_IPI_mask(&mce_inject_cpumask, NMI_VECTOR);
+
+	start = jiffies;
+	while (!cpus_empty(mce_inject_cpumask)) {
+		if (!time_before(jiffies, start + 2*HZ)) {
+			printk(KERN_ERR
+				"Timeout waiting for mce inject NMI %lx\n",
+				*cpus_addr(mce_inject_cpumask));
+			break;
+		}
+		cpu_relax();
+	}
+	raise_local();
+
+	put_cpu();
+	put_online_cpus();
+}
+#endif
+
 static void raise_mce(struct mce *m)
 {
 	/*
@@ -157,37 +196,9 @@ static void raise_mce(struct mce *m)
 	schedule_timeout(2);
 
 #ifdef CONFIG_X86_LOCAL_APIC
-	if (m->inject_flags & MCE_INJ_NMI_BROADCAST) {
-		unsigned long start;
-		int cpu;
-		get_online_cpus();
-		mce_inject_cpumask = cpu_online_map;
-		cpu_clear(get_cpu(), mce_inject_cpumask);
-		for_each_online_cpu(cpu) {
-			struct mce *m = &per_cpu(mce_fake_banks, cpu).injectm;
-			if (!m->finished || MCE_INJ_CTX(m->inject_flags)
-							!= MCE_INJ_CTX_RANDOM)
-				cpu_clear(cpu, mce_inject_cpumask);
-		}
-		/* make sure mce_inject_cpumask is visible on other CPUs */
-		smp_mb();
-
-		if (!cpus_empty(mce_inject_cpumask))
-			apic->send_IPI_mask(&mce_inject_cpumask, NMI_VECTOR);
-		start = jiffies;
-		while (!cpus_empty(mce_inject_cpumask)) {
-			if (!time_before(jiffies, start + 2*HZ)) {
-				printk(KERN_ERR
-				"Timeout waiting for mce inject NMI %lx\n",
-					*cpus_addr(mce_inject_cpumask));
-				break;
-			}
-			cpu_relax();
-		}
-		raise_local();
-		put_cpu();
-		put_online_cpus();
-	} else
+	if (m->inject_flags & MCE_INJ_NMI_BROADCAST)
+		raise_global();
+	else
 #endif
 		raise_local();
 }
-- 
1.6.2.2



  reply	other threads:[~2009-10-09  5:44 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-28  1:21 [BUGFIX -v2] x86, mce, inject: Make injected mce valid only during faked handler call Huang Ying
2009-09-28  6:40 ` Hidetoshi Seto
2009-09-28  7:09   ` Huang Ying
2009-09-28  8:02     ` Hidetoshi Seto
2009-09-28  8:27       ` Huang Ying
2009-09-28  8:59         ` Hidetoshi Seto
2009-09-28  9:15           ` Huang Ying
2009-09-28  6:46 ` [PATCH 0/5] x86, mce-inject: misc fix Hidetoshi Seto
2009-09-28  6:51   ` [PATCH 1/5] mce-inject: replace MCJ_ to MCE_INJ_ Hidetoshi Seto
2009-09-28  6:51   ` [PATCH 2/5] x86, mce: rename finished to valid in struct mce Hidetoshi Seto
2009-09-28 18:24     ` Andi Kleen
2009-09-29  8:40       ` Hidetoshi Seto
2009-09-29 23:02         ` Andi Kleen
2009-09-29 23:04         ` [PATCH 2/5] x86, mce: rename finished to valid in struct mce II Andi Kleen
2009-09-29 23:20           ` H. Peter Anvin
2009-09-30  4:39             ` Andi Kleen
2009-10-01 11:08               ` Ingo Molnar
2009-09-28  6:52   ` [PATCH 3/5] mce-inject: make injected mce valid only during faked handler call Hidetoshi Seto
2009-09-28  7:27     ` Huang Ying
2009-09-28 18:50     ` Andi Kleen
2009-09-29  8:42       ` Hidetoshi Seto
2009-09-29 20:45         ` Andi Kleen
2009-09-28  6:53   ` [PATCH 4/5] mce-inject: no wait on write with MCE_INJ_CTX_RANDOM Hidetoshi Seto
2009-09-28  6:54   ` [PATCH 5/5] mce-inject: allow injecting status=0 to poll handler Hidetoshi Seto
2009-10-05  2:52 ` [PATCH 0/6] x86, mce, mce-inject: misc fix v2 Hidetoshi Seto
2009-10-05  3:05   ` [PATCH 1/6] x86, mce: replace MCJ_ to MCE_INJ_ Hidetoshi Seto
2009-10-05  3:06   ` [PATCH 2/6] x86, mce: replace MCM_ to MCI_MISC_ Hidetoshi Seto
2009-10-05  3:07   ` [PATCH 3/6] mce-inject: no wait on write with MCE_INJ_CTX_RANDOM Hidetoshi Seto
2009-10-05  3:07   ` [PATCH 4/6] mce-inject: allow injecting status=0 to poll handler Hidetoshi Seto
2009-10-05  3:08   ` [PATCH 5/6] mce-inject: add a barrier to raise_mce() Hidetoshi Seto
2009-10-05  3:10   ` [PATCH 6/6] mce-inject: use injected mce only during faked handler call Hidetoshi Seto
2009-10-09  1:54     ` Huang Ying
2009-10-09  5:38       ` Hidetoshi Seto
2009-10-09  5:44         ` Hidetoshi Seto [this message]
2009-10-09  5:45         ` [PATCH 2/4] mce-inject: use individual members instead of struct mce Hidetoshi Seto
2009-10-09  6:50           ` Huang Ying
2009-10-09  7:18             ` Hidetoshi Seto
2009-10-09  5:45         ` [PATCH 3/4] mce-inject: change msr_to_offset() to mce_get_fake_reg() Hidetoshi Seto
2009-10-09  5:46         ` [PATCH 4/4] mce-inject: support injecting multiple error to a CPU Hidetoshi Seto
2009-10-09  7:14     ` [PATCH 6/6] mce-inject: use injected mce only during faked handler call Huang Ying
2009-10-09  7:27       ` Hidetoshi Seto
2009-10-09  7:44         ` Huang Ying
2009-10-09  8:31           ` Hidetoshi Seto
2009-10-09  9:11             ` Huang Ying
2009-10-13  2:34               ` Hidetoshi Seto
2009-10-13  3:28                 ` Huang Ying
2009-10-13  6:00                   ` Hidetoshi Seto
2009-10-13  6:19                     ` Huang Ying
2009-10-13  6:29                       ` Ingo Molnar
2009-10-13  7:19                         ` [RFC] x86, mce: use of TRACE_EVENT for mce Hidetoshi Seto
2009-10-13  8:43                           ` Ingo Molnar
2009-10-13  8:46                           ` [tip:perf/mce] perf_event, x86, mce: Use TRACE_EVENT() for MCE logging tip-bot for Hidetoshi Seto

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