7 files changed, 39 insertions, 17 deletions

diff --git a/arch/x86_64/crypto/aes.c b/arch/x86_64/crypto/aes.c
index 2b5c4010ce3..acfdaa28791 100644
--- a/arch/x86_64/crypto/aes.c
+++ b/arch/x86_64/crypto/aes.c
@@ -322,3 +322,4 @@ module_exit(aes_fini);
 
 MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("aes");
diff --git a/arch/x86_64/ia32/ptrace32.c b/arch/x86_64/ia32/ptrace32.c
index b98b6d2462f..2a925e2af39 100644
--- a/arch/x86_64/ia32/ptrace32.c
+++ b/arch/x86_64/ia32/ptrace32.c
@@ -43,11 +43,11 @@ static int putreg32(struct task_struct *child, unsigned regno, u32 val)
 	switch (regno) {
 	case offsetof(struct user32, regs.fs):
 		if (val && (val & 3) != 3) return -EIO; 
-		child->thread.fs = val & 0xffff; 
+		child->thread.fsindex = val & 0xffff;
 		break;
 	case offsetof(struct user32, regs.gs):
 		if (val && (val & 3) != 3) return -EIO; 
-		child->thread.gs = val & 0xffff;
+		child->thread.gsindex = val & 0xffff;
 		break;
 	case offsetof(struct user32, regs.ds):
 		if (val && (val & 3) != 3) return -EIO; 
@@ -138,10 +138,10 @@ static int getreg32(struct task_struct *child, unsigned regno, u32 *val)
 
 	switch (regno) {
 	case offsetof(struct user32, regs.fs):
-	        *val = child->thread.fs; 
+	        *val = child->thread.fsindex;
 		break;
 	case offsetof(struct user32, regs.gs):
-		*val = child->thread.gs;
+		*val = child->thread.gsindex;
 		break;
 	case offsetof(struct user32, regs.ds):
 		*val = child->thread.ds;
diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c
index 3b267c91bb0..8aa56736cde 100644
--- a/arch/x86_64/kernel/mce.c
+++ b/arch/x86_64/kernel/mce.c
@@ -36,6 +36,7 @@ static unsigned long bank[NR_BANKS] = { [0 ... NR_BANKS-1] = ~0UL };
 static unsigned long console_logged;
 static int notify_user;
 static int rip_msr;
+static int mce_bootlog;
 
 /*
  * Lockless MCE logging infrastructure.
@@ -197,10 +198,11 @@ void do_machine_check(struct pt_regs * regs, long error_code)
 			rdmsrl(MSR_IA32_MC0_ADDR + i*4, m.addr);
 
 		mce_get_rip(&m, regs);
-		if (error_code != -1)
+		if (error_code >= 0)
 			rdtscll(m.tsc);
 		wrmsrl(MSR_IA32_MC0_STATUS + i*4, 0);
-		mce_log(&m);
+		if (error_code != -2)
+			mce_log(&m);
 
 		/* Did this bank cause the exception? */
 		/* Assume that the bank with uncorrectable errors did it,
@@ -315,7 +317,7 @@ static void mce_init(void *dummy)
 
 	/* Log the machine checks left over from the previous reset.
 	   This also clears all registers */
-	do_machine_check(NULL, -1);
+	do_machine_check(NULL, mce_bootlog ? -1 : -2);
 
 	set_in_cr4(X86_CR4_MCE);
 
@@ -476,11 +478,17 @@ static int __init mcheck_disable(char *str)
 }
 
 /* mce=off disables machine check. Note you can reenable it later
-   using sysfs */
+   using sysfs.
+   mce=bootlog Log MCEs from before booting. Disabled by default to work
+   around buggy BIOS that leave bogus MCEs.  */
 static int __init mcheck_enable(char *str)
 {
+	if (*str == '=')
+		str++;
 	if (!strcmp(str, "off"))
 		mce_dont_init = 1;
+	else if (!strcmp(str, "bootlog"))
+		mce_bootlog = 1;
 	else
 		printk("mce= argument %s ignored. Please use /sys", str); 
 	return 0;
diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
index 08abf9f5b15..79c362d03e2 100644
--- a/arch/x86_64/kernel/mpparse.c
+++ b/arch/x86_64/kernel/mpparse.c
@@ -970,8 +970,21 @@ int mp_register_gsi(u32 gsi, int edge_level, int active_high_low)
 		 * due to unused I/O APIC pins.
 		 */
 		int irq = gsi;
-		gsi = pci_irq++;
-		gsi_to_irq[irq] = gsi;
+		if (gsi < MAX_GSI_NUM) {
+			if (gsi > 15)
+				gsi = pci_irq++;
+#ifdef CONFIG_ACPI_BUS
+			/*
+			 * Don't assign IRQ used by ACPI SCI
+			 */
+			if (gsi == acpi_fadt.sci_int)
+				gsi = pci_irq++;
+#endif
+			gsi_to_irq[irq] = gsi;
+		} else {
+			printk(KERN_ERR "GSI %u is too high\n", gsi);
+			return gsi;
+		}
 	}
 
 	io_apic_set_pci_routing(ioapic, ioapic_pin, gsi,
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 0aa526298e9..116a491e296 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -645,15 +645,15 @@ void __init setup_arch(char **cmdline_p)
 		}
 	}
 #endif
-
-	sparse_init();
-
 #ifdef CONFIG_KEXEC
 	if (crashk_res.start != crashk_res.end) {
 		reserve_bootmem(crashk_res.start,
 			crashk_res.end - crashk_res.start + 1);
 	}
 #endif
+
+	sparse_init();
+
 	paging_init();
 
 	check_ioapic();
diff --git a/arch/x86_64/lib/csum-copy.S b/arch/x86_64/lib/csum-copy.S
index 01808ec3783..72fd55ee896 100644
--- a/arch/x86_64/lib/csum-copy.S
+++ b/arch/x86_64/lib/csum-copy.S
@@ -188,8 +188,8 @@ csum_partial_copy_generic:
 	source
 	movw (%rdi),%bx
 	adcl %ebx,%eax
-	dest
 	decl %ecx
+	dest
 	movw %bx,(%rsi)
 	leaq 2(%rdi),%rdi
 	leaq 2(%rsi),%rsi
diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c
index 13792721037..493819e543a 100644
--- a/arch/x86_64/mm/fault.c
+++ b/arch/x86_64/mm/fault.c
@@ -439,13 +439,13 @@ good_area:
 	 * the fault.
 	 */
 	switch (handle_mm_fault(mm, vma, address, write)) {
-	case 1:
+	case VM_FAULT_MINOR:
 		tsk->min_flt++;
 		break;
-	case 2:
+	case VM_FAULT_MAJOR:
 		tsk->maj_flt++;
 		break;
-	case 0:
+	case VM_FAULT_SIGBUS:
 		goto do_sigbus;
 	default:
 		goto out_of_memory;