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authorLinus Torvalds <torvalds@linux-foundation.org>2011-04-04 08:37:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-04-04 08:37:45 -0700
commitd7c764c4c7b782c660b4600b0bff2e3509892a4d (patch)
tree94e7540f4996e15f717001eb08e21dd59c42c0fd /arch
parent148086bb64694cc91624bab2a550d50f800eb4b7 (diff)
parent818987e9a19c52240ba9b1c20f28f047eef76072 (diff)
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, UV: Fix kdump reboot x86, amd-nb: Rename CPU PCI id define for F4 sound: Add delay.h to sound/soc/codecs/sn95031.c x86, mtrr, pat: Fix one cpu getting out of sync during resume x86, microcode: Unregister syscore_ops after microcode unloaded x86: Stop including <linux/delay.h> in two asm header files
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/apic.h1
-rw-r--r--arch/x86/include/asm/dma.h1
-rw-r--r--arch/x86/kernel/amd_nb.c2
-rw-r--r--arch/x86/kernel/apic/hw_nmi.c1
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c10
-rw-r--r--arch/x86/kernel/cpu/mtrr/main.c20
-rw-r--r--arch/x86/kernel/irq.c1
-rw-r--r--arch/x86/kernel/microcode_core.c1
-rw-r--r--arch/x86/kernel/reboot.c1
-rw-r--r--arch/x86/platform/uv/tlb_uv.c1
10 files changed, 31 insertions, 8 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index a279d98ea95..2b7d573be54 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -2,7 +2,6 @@
#define _ASM_X86_APIC_H
#include <linux/cpumask.h>
-#include <linux/delay.h>
#include <linux/pm.h>
#include <asm/alternative.h>
diff --git a/arch/x86/include/asm/dma.h b/arch/x86/include/asm/dma.h
index 97b6d8114a4..057099e5fab 100644
--- a/arch/x86/include/asm/dma.h
+++ b/arch/x86/include/asm/dma.h
@@ -10,7 +10,6 @@
#include <linux/spinlock.h> /* And spinlocks */
#include <asm/io.h> /* need byte IO */
-#include <linux/delay.h>
#ifdef HAVE_REALLY_SLOW_DMA_CONTROLLER
#define dma_outb outb_p
diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c
index 6801959a8b2..4c39baa8fac 100644
--- a/arch/x86/kernel/amd_nb.c
+++ b/arch/x86/kernel/amd_nb.c
@@ -21,7 +21,7 @@ const struct pci_device_id amd_nb_misc_ids[] = {
EXPORT_SYMBOL(amd_nb_misc_ids);
static struct pci_device_id amd_nb_link_ids[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_LINK) },
+ { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) },
{}
};
diff --git a/arch/x86/kernel/apic/hw_nmi.c b/arch/x86/kernel/apic/hw_nmi.c
index c4e557a1ebb..5260fe91bcb 100644
--- a/arch/x86/kernel/apic/hw_nmi.c
+++ b/arch/x86/kernel/apic/hw_nmi.c
@@ -16,6 +16,7 @@
#include <linux/kprobes.h>
#include <linux/nmi.h>
#include <linux/module.h>
+#include <linux/delay.h>
#ifdef CONFIG_HARDLOCKUP_DETECTOR
u64 hw_nmi_get_sample_period(void)
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 3c289281394..33b10a0fc09 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -23,6 +23,8 @@
#include <linux/io.h>
#include <linux/pci.h>
#include <linux/kdebug.h>
+#include <linux/delay.h>
+#include <linux/crash_dump.h>
#include <asm/uv/uv_mmrs.h>
#include <asm/uv/uv_hub.h>
@@ -34,6 +36,7 @@
#include <asm/ipi.h>
#include <asm/smp.h>
#include <asm/x86_init.h>
+#include <asm/emergency-restart.h>
DEFINE_PER_CPU(int, x2apic_extra_bits);
@@ -810,4 +813,11 @@ void __init uv_system_init(void)
/* register Legacy VGA I/O redirection handler */
pci_register_set_vga_state(uv_set_vga_state);
+
+ /*
+ * For a kdump kernel the reset must be BOOT_ACPI, not BOOT_EFI, as
+ * EFI is not enabled in the kdump kernel.
+ */
+ if (is_kdump_kernel())
+ reboot_type = BOOT_ACPI;
}
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index 307dfbbf4a8..929739a653d 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -293,14 +293,24 @@ set_mtrr(unsigned int reg, unsigned long base, unsigned long size, mtrr_type typ
/*
* HACK!
- * We use this same function to initialize the mtrrs on boot.
- * The state of the boot cpu's mtrrs has been saved, and we want
- * to replicate across all the APs.
- * If we're doing that @reg is set to something special...
+ *
+ * We use this same function to initialize the mtrrs during boot,
+ * resume, runtime cpu online and on an explicit request to set a
+ * specific MTRR.
+ *
+ * During boot or suspend, the state of the boot cpu's mtrrs has been
+ * saved, and we want to replicate that across all the cpus that come
+ * online (either at the end of boot or resume or during a runtime cpu
+ * online). If we're doing that, @reg is set to something special and on
+ * this cpu we still do mtrr_if->set_all(). During boot/resume, this
+ * is unnecessary if at this point we are still on the cpu that started
+ * the boot/resume sequence. But there is no guarantee that we are still
+ * on the same cpu. So we do mtrr_if->set_all() on this cpu aswell to be
+ * sure that we are in sync with everyone else.
*/
if (reg != ~0U)
mtrr_if->set(reg, base, size, type);
- else if (!mtrr_aps_delayed_init)
+ else
mtrr_if->set_all();
/* Wait for the others */
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 948a31eae75..1cb0b9fc78d 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -8,6 +8,7 @@
#include <linux/seq_file.h>
#include <linux/smp.h>
#include <linux/ftrace.h>
+#include <linux/delay.h>
#include <asm/apic.h>
#include <asm/io_apic.h>
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index 5ed0ab549eb..f9242800bc8 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -550,6 +550,7 @@ static void __exit microcode_exit(void)
microcode_dev_exit();
unregister_hotcpu_notifier(&mc_cpu_notifier);
+ unregister_syscore_ops(&mc_syscore_ops);
get_online_cpus();
mutex_lock(&microcode_mutex);
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index d3ce37edb54..08c44b08bf5 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -6,6 +6,7 @@
#include <linux/dmi.h>
#include <linux/sched.h>
#include <linux/tboot.h>
+#include <linux/delay.h>
#include <acpi/reboot.h>
#include <asm/io.h>
#include <asm/apic.h>
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index a7b38d35c29..7cb6424317f 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -11,6 +11,7 @@
#include <linux/debugfs.h>
#include <linux/kernel.h>
#include <linux/slab.h>
+#include <linux/delay.h>
#include <asm/mmu_context.h>
#include <asm/uv/uv.h>