Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, mce: fix ifdef for 64bit thermal apic vector clear on shutdown
  x86, mce: use force_sig_info to kill process in machine check
  x86, mce: reinitialize per cpu features on resume
  x86, rcu: fix strange load average and ksoftirqd behavior

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 115449f869ee368f567cfd38bc8605a47944078c..570f36e44e59671d7bdc0722a2370f1e8633fbe4 100644 (file)
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -862,7 +862,7 @@ void clear_local_APIC(void)
        }
 
        /* lets not touch this if we didn't frob it */
-#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(X86_MCE_INTEL)
+#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(CONFIG_X86_MCE_INTEL)
        if (maxlvt >= 5) {
                v = apic_read(APIC_LVTTHMR);
                apic_write(APIC_LVTTHMR, v | APIC_LVT_MASKED);

diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c
index 1c838032fd3732fde9bff776cbb63a2821115d60..25cf624eccb781d6c5e942e24989a77adc6427d0 100644 (file)
--- a/arch/x86/kernel/cpu/mcheck/mce_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -295,11 +295,11 @@ void do_machine_check(struct pt_regs * regs, long error_code)
                 * If we know that the error was in user space, send a
                 * SIGBUS.  Otherwise, panic if tolerance is low.
                 *
-                * do_exit() takes an awful lot of locks and has a slight
+                * force_sig() takes an awful lot of locks and has a slight
                 * risk of deadlocking.
                 */
                if (user_space) {
-                       do_exit(SIGBUS);
+                       force_sig(SIGBUS, current);
                } else if (panic_on_oops || tolerant < 2) {
                        mce_panic("Uncorrected machine check",
                                &panicm, mcestart);
@@ -734,6 +734,7 @@ __setup("mce=", mcheck_enable);
 static int mce_resume(struct sys_device *dev)
 {
        mce_init(NULL);
+       mce_cpu_features(&current_cpu_data);
        return 0;
 }
 

diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index a546f55c77b4639f5e3f5773a1599d81cc53432d..bd4da2af08aec72ff1933eea7164a2b3d8f73139 100644 (file)
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -104,9 +104,6 @@ void cpu_idle(void)
                        check_pgt_cache();
                        rmb();
 
-                       if (rcu_pending(cpu))
-                               rcu_check_callbacks(cpu, 0);
-
                        if (cpu_is_offline(cpu))
                                play_dead();