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
next prev parent 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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