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authorLen Brown <len.brown@intel.com>2005-08-24 04:12:23 +0200
committerLen Brown <len.brown@intel.com>2005-08-24 04:12:23 +0200
commit84ffa747520edd4556b136bdfc9df9eb1673ce12 (patch)
tree1cfe20bd31fce1b5b3024384fcb324c3338d1d32 /arch/x86_64
parent[ACPI] fix ia64 build issues resulting from Lindent and merge (diff)
parent[PATCH] zd1201 kmalloc size fix (diff)
downloadlinux-84ffa747520edd4556b136bdfc9df9eb1673ce12.tar.xz
linux-84ffa747520edd4556b136bdfc9df9eb1673ce12.zip
Merge from-linus to-akpm
Diffstat (limited to 'arch/x86_64')
-rw-r--r--arch/x86_64/kernel/smpboot.c15
-rw-r--r--arch/x86_64/mm/fault.c4
2 files changed, 9 insertions, 10 deletions
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index b15761ff4101..fa25e39fe54d 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -492,6 +492,14 @@ void __cpuinit start_secondary(void)
*/
set_cpu_sibling_map(smp_processor_id());
+ /*
+ * Wait for TSC sync to not schedule things before.
+ * We still process interrupts, which could see an inconsistent
+ * time in that window unfortunately.
+ * Do this here because TSC sync has global unprotected state.
+ */
+ tsc_sync_wait();
+
/*
* We need to hold call_lock, so there is no inconsistency
* between the time smp_call_function() determines number of
@@ -509,13 +517,6 @@ void __cpuinit start_secondary(void)
per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
unlock_ipi_call_lock();
- mb();
-
- /* Wait for TSC sync to not schedule things before.
- We still process interrupts, which could see an inconsistent
- time in that window unfortunately. */
- tsc_sync_wait();
-
cpu_idle();
}
diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c
index 493819e543a5..ca914c3bd49c 100644
--- a/arch/x86_64/mm/fault.c
+++ b/arch/x86_64/mm/fault.c
@@ -211,9 +211,7 @@ int unhandled_signal(struct task_struct *tsk, int sig)
{
if (tsk->pid == 1)
return 1;
- /* Warn for strace, but not for gdb */
- if (!test_ti_thread_flag(tsk->thread_info, TIF_SYSCALL_TRACE) &&
- (tsk->ptrace & PT_PTRACED))
+ if (tsk->ptrace & PT_PTRACED)
return 0;
return (tsk->sighand->action[sig-1].sa.sa_handler == SIG_IGN) ||
(tsk->sighand->action[sig-1].sa.sa_handler == SIG_DFL);