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authorDavid S. Miller <davem@davemloft.net>2012-07-05 06:44:25 -0400
committerDavid S. Miller <davem@davemloft.net>2012-07-05 06:44:25 -0400
commitc90a9bb9073a4096596360f02ea711c619663494 (patch)
treedc85d9f4c0d423e6b523e81c41a5b68e267de14f /arch/x86
parent23c342153ef2a4ad8bd4f2d6515126449658d2b3 (diff)
parent9e85a6f9dc231f3ed3c1dc1b12217505d970142a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/ia32/ia32_signal.c2
-rw-r--r--arch/x86/include/asm/cpufeature.h2
-rw-r--r--arch/x86/kernel/acpi/boot.c27
-rw-r--r--arch/x86/kernel/cpu/mkcapflags.pl25
-rw-r--r--arch/x86/kernel/cpu/scattered.c2
-rw-r--r--arch/x86/kernel/kgdb.c8
-rw-r--r--arch/x86/kernel/reboot.c8
-rw-r--r--arch/x86/lib/csum-wrappers_64.c2
8 files changed, 51 insertions, 25 deletions
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index daeca56211e3..673ac9b63d6b 100644
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -38,7 +38,7 @@
38int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) 38int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
39{ 39{
40 int err = 0; 40 int err = 0;
41 bool ia32 = is_ia32_task(); 41 bool ia32 = test_thread_flag(TIF_IA32);
42 42
43 if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t))) 43 if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
44 return -EFAULT; 44 return -EFAULT;
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 340ee49961a6..f91e80f4f180 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -176,7 +176,7 @@
176#define X86_FEATURE_XSAVEOPT (7*32+ 4) /* Optimized Xsave */ 176#define X86_FEATURE_XSAVEOPT (7*32+ 4) /* Optimized Xsave */
177#define X86_FEATURE_PLN (7*32+ 5) /* Intel Power Limit Notification */ 177#define X86_FEATURE_PLN (7*32+ 5) /* Intel Power Limit Notification */
178#define X86_FEATURE_PTS (7*32+ 6) /* Intel Package Thermal Status */ 178#define X86_FEATURE_PTS (7*32+ 6) /* Intel Package Thermal Status */
179#define X86_FEATURE_DTS (7*32+ 7) /* Digital Thermal Sensor */ 179#define X86_FEATURE_DTHERM (7*32+ 7) /* Digital Thermal Sensor */
180#define X86_FEATURE_HW_PSTATE (7*32+ 8) /* AMD HW-PState */ 180#define X86_FEATURE_HW_PSTATE (7*32+ 8) /* AMD HW-PState */
181 181
182/* Virtualization flags: Linux defined, word 8 */ 182/* Virtualization flags: Linux defined, word 8 */
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 8afb69319815..b2297e58c6ed 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -422,12 +422,14 @@ acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
422 return 0; 422 return 0;
423 } 423 }
424 424
425 if (intsrc->source_irq == 0 && intsrc->global_irq == 2) { 425 if (intsrc->source_irq == 0) {
426 if (acpi_skip_timer_override) { 426 if (acpi_skip_timer_override) {
427 printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n"); 427 printk(PREFIX "BIOS IRQ0 override ignored.\n");
428 return 0; 428 return 0;
429 } 429 }
430 if (acpi_fix_pin2_polarity && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) { 430
431 if ((intsrc->global_irq == 2) && acpi_fix_pin2_polarity
432 && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) {
431 intsrc->inti_flags &= ~ACPI_MADT_POLARITY_MASK; 433 intsrc->inti_flags &= ~ACPI_MADT_POLARITY_MASK;
432 printk(PREFIX "BIOS IRQ0 pin2 override: forcing polarity to high active.\n"); 434 printk(PREFIX "BIOS IRQ0 pin2 override: forcing polarity to high active.\n");
433 } 435 }
@@ -1334,17 +1336,12 @@ static int __init dmi_disable_acpi(const struct dmi_system_id *d)
1334} 1336}
1335 1337
1336/* 1338/*
1337 * Force ignoring BIOS IRQ0 pin2 override 1339 * Force ignoring BIOS IRQ0 override
1338 */ 1340 */
1339static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d) 1341static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d)
1340{ 1342{
1341 /*
1342 * The ati_ixp4x0_rev() early PCI quirk should have set
1343 * the acpi_skip_timer_override flag already:
1344 */
1345 if (!acpi_skip_timer_override) { 1343 if (!acpi_skip_timer_override) {
1346 WARN(1, KERN_ERR "ati_ixp4x0 quirk not complete.\n"); 1344 pr_notice("%s detected: Ignoring BIOS IRQ0 override\n",
1347 pr_notice("%s detected: Ignoring BIOS IRQ0 pin2 override\n",
1348 d->ident); 1345 d->ident);
1349 acpi_skip_timer_override = 1; 1346 acpi_skip_timer_override = 1;
1350 } 1347 }
@@ -1438,7 +1435,7 @@ static struct dmi_system_id __initdata acpi_dmi_table_late[] = {
1438 * is enabled. This input is incorrectly designated the 1435 * is enabled. This input is incorrectly designated the
1439 * ISA IRQ 0 via an interrupt source override even though 1436 * ISA IRQ 0 via an interrupt source override even though
1440 * it is wired to the output of the master 8259A and INTIN0 1437 * it is wired to the output of the master 8259A and INTIN0
1441 * is not connected at all. Force ignoring BIOS IRQ0 pin2 1438 * is not connected at all. Force ignoring BIOS IRQ0
1442 * override in that cases. 1439 * override in that cases.
1443 */ 1440 */
1444 { 1441 {
@@ -1473,6 +1470,14 @@ static struct dmi_system_id __initdata acpi_dmi_table_late[] = {
1473 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6715b"), 1470 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6715b"),
1474 }, 1471 },
1475 }, 1472 },
1473 {
1474 .callback = dmi_ignore_irq0_timer_override,
1475 .ident = "FUJITSU SIEMENS",
1476 .matches = {
1477 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
1478 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
1479 },
1480 },
1476 {} 1481 {}
1477}; 1482};
1478 1483
diff --git a/arch/x86/kernel/cpu/mkcapflags.pl b/arch/x86/kernel/cpu/mkcapflags.pl
index dfea390e1608..c7b3fe2d72e0 100644
--- a/arch/x86/kernel/cpu/mkcapflags.pl
+++ b/arch/x86/kernel/cpu/mkcapflags.pl
@@ -1,4 +1,4 @@
1#!/usr/bin/perl 1#!/usr/bin/perl -w
2# 2#
3# Generate the x86_cap_flags[] array from include/asm-x86/cpufeature.h 3# Generate the x86_cap_flags[] array from include/asm-x86/cpufeature.h
4# 4#
@@ -11,22 +11,35 @@ open(OUT, "> $out\0") or die "$0: cannot create: $out: $!\n";
11print OUT "#include <asm/cpufeature.h>\n\n"; 11print OUT "#include <asm/cpufeature.h>\n\n";
12print OUT "const char * const x86_cap_flags[NCAPINTS*32] = {\n"; 12print OUT "const char * const x86_cap_flags[NCAPINTS*32] = {\n";
13 13
14%features = ();
15$err = 0;
16
14while (defined($line = <IN>)) { 17while (defined($line = <IN>)) {
15 if ($line =~ /^\s*\#\s*define\s+(X86_FEATURE_(\S+))\s+(.*)$/) { 18 if ($line =~ /^\s*\#\s*define\s+(X86_FEATURE_(\S+))\s+(.*)$/) {
16 $macro = $1; 19 $macro = $1;
17 $feature = $2; 20 $feature = "\L$2";
18 $tail = $3; 21 $tail = $3;
19 if ($tail =~ /\/\*\s*\"([^"]*)\".*\*\//) { 22 if ($tail =~ /\/\*\s*\"([^"]*)\".*\*\//) {
20 $feature = $1; 23 $feature = "\L$1";
21 } 24 }
22 25
23 if ($feature ne '') { 26 next if ($feature eq '');
24 printf OUT "\t%-32s = \"%s\",\n", 27
25 "[$macro]", "\L$feature"; 28 if ($features{$feature}++) {
29 print STDERR "$in: duplicate feature name: $feature\n";
30 $err++;
26 } 31 }
32 printf OUT "\t%-32s = \"%s\",\n", "[$macro]", $feature;
27 } 33 }
28} 34}
29print OUT "};\n"; 35print OUT "};\n";
30 36
31close(IN); 37close(IN);
32close(OUT); 38close(OUT);
39
40if ($err) {
41 unlink($out);
42 exit(1);
43}
44
45exit(0);
diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
index addf9e82a7f2..ee8e9abc859f 100644
--- a/arch/x86/kernel/cpu/scattered.c
+++ b/arch/x86/kernel/cpu/scattered.c
@@ -31,7 +31,7 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
31 const struct cpuid_bit *cb; 31 const struct cpuid_bit *cb;
32 32
33 static const struct cpuid_bit __cpuinitconst cpuid_bits[] = { 33 static const struct cpuid_bit __cpuinitconst cpuid_bits[] = {
34 { X86_FEATURE_DTS, CR_EAX, 0, 0x00000006, 0 }, 34 { X86_FEATURE_DTHERM, CR_EAX, 0, 0x00000006, 0 },
35 { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006, 0 }, 35 { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006, 0 },
36 { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006, 0 }, 36 { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006, 0 },
37 { X86_FEATURE_PLN, CR_EAX, 4, 0x00000006, 0 }, 37 { X86_FEATURE_PLN, CR_EAX, 4, 0x00000006, 0 },
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index 8bfb6146f753..3f61904365cf 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -444,12 +444,12 @@ void kgdb_roundup_cpus(unsigned long flags)
444 444
445/** 445/**
446 * kgdb_arch_handle_exception - Handle architecture specific GDB packets. 446 * kgdb_arch_handle_exception - Handle architecture specific GDB packets.
447 * @vector: The error vector of the exception that happened. 447 * @e_vector: The error vector of the exception that happened.
448 * @signo: The signal number of the exception that happened. 448 * @signo: The signal number of the exception that happened.
449 * @err_code: The error code of the exception that happened. 449 * @err_code: The error code of the exception that happened.
450 * @remcom_in_buffer: The buffer of the packet we have read. 450 * @remcomInBuffer: The buffer of the packet we have read.
451 * @remcom_out_buffer: The buffer of %BUFMAX bytes to write a packet into. 451 * @remcomOutBuffer: The buffer of %BUFMAX bytes to write a packet into.
452 * @regs: The &struct pt_regs of the current process. 452 * @linux_regs: The &struct pt_regs of the current process.
453 * 453 *
454 * This function MUST handle the 'c' and 's' command packets, 454 * This function MUST handle the 'c' and 's' command packets,
455 * as well packets to set / remove a hardware breakpoint, if used. 455 * as well packets to set / remove a hardware breakpoint, if used.
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 25b48edb847c..5de92f1abd76 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -451,6 +451,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
451 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 990"), 451 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 990"),
452 }, 452 },
453 }, 453 },
454 { /* Handle problems with rebooting on the Precision M6600. */
455 .callback = set_pci_reboot,
456 .ident = "Dell OptiPlex 990",
457 .matches = {
458 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
459 DMI_MATCH(DMI_PRODUCT_NAME, "Precision M6600"),
460 },
461 },
454 { } 462 { }
455}; 463};
456 464
diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c
index 459b58a8a15c..25b7ae8d058a 100644
--- a/arch/x86/lib/csum-wrappers_64.c
+++ b/arch/x86/lib/csum-wrappers_64.c
@@ -115,7 +115,7 @@ EXPORT_SYMBOL(csum_partial_copy_to_user);
115 * @src: source address 115 * @src: source address
116 * @dst: destination address 116 * @dst: destination address
117 * @len: number of bytes to be copied. 117 * @len: number of bytes to be copied.
118 * @isum: initial sum that is added into the result (32bit unfolded) 118 * @sum: initial sum that is added into the result (32bit unfolded)
119 * 119 *
120 * Returns an 32bit unfolded checksum of the buffer. 120 * Returns an 32bit unfolded checksum of the buffer.
121 */ 121 */