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Diffstat (limited to 'arch/i386')
-rw-r--r--arch/i386/Makefile8
-rw-r--r--arch/i386/defconfig30
-rw-r--r--arch/i386/kernel/head.S2
-rw-r--r--arch/i386/kernel/nmi.c10
-rw-r--r--arch/i386/kernel/process.c6
5 files changed, 28 insertions, 28 deletions
diff --git a/arch/i386/Makefile b/arch/i386/Makefile
index 7cc0b189b82b..0677908dfa06 100644
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -42,6 +42,10 @@ cflags-$(CONFIG_REGPARM) += -mregparm=3
# temporary until string.h is fixed
cflags-y += -ffreestanding
+# this works around some issues with generating unwind tables in older gccs
+# newer gccs do it by default
+cflags-y += -maccumulate-outgoing-args
+
# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
# a lot more stack due to the lack of sharing of stacklots:
CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
@@ -51,8 +55,8 @@ cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
# is .cfi_signal_frame supported too?
-cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
-AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
+AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
CFLAGS += $(cflags-y)
diff --git a/arch/i386/defconfig b/arch/i386/defconfig
index 60c0c02574f0..97aacd6bd7d8 100644
--- a/arch/i386/defconfig
+++ b/arch/i386/defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.19-rc1
-# Thu Oct 5 13:04:53 2006
+# Linux kernel version: 2.6.19-rc2-git4
+# Sat Oct 21 03:38:56 2006
#
CONFIG_X86_32=y
CONFIG_GENERIC_TIME=y
@@ -380,8 +380,8 @@ CONFIG_INET6_XFRM_MODE_TRANSPORT=y
CONFIG_INET6_XFRM_MODE_TUNNEL=y
# CONFIG_INET6_XFRM_MODE_BEET is not set
# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=y
# CONFIG_IPV6_TUNNEL is not set
-# CONFIG_IPV6_SUBTREES is not set
# CONFIG_IPV6_MULTIPLE_TABLES is not set
# CONFIG_NETWORK_SECMARK is not set
# CONFIG_NETFILTER is not set
@@ -483,6 +483,13 @@ CONFIG_BLK_DEV_INITRD=y
# CONFIG_ATA_OVER_ETH is not set
#
+# Misc devices
+#
+# CONFIG_IBM_ASM is not set
+# CONFIG_SGI_IOC4 is not set
+# CONFIG_TIFM_CORE is not set
+
+#
# ATA/ATAPI/MFM/RLL support
#
CONFIG_IDE=y
@@ -1024,6 +1031,7 @@ CONFIG_HANGCHECK_TIMER=y
#
# Dallas's 1-wire bus
#
+# CONFIG_W1 is not set
#
# Hardware Monitoring support
@@ -1032,12 +1040,6 @@ CONFIG_HANGCHECK_TIMER=y
# CONFIG_HWMON_VID is not set
#
-# Misc devices
-#
-# CONFIG_IBM_ASM is not set
-# CONFIG_TIFM_CORE is not set
-
-#
# Multimedia devices
#
# CONFIG_VIDEO_DEV is not set
@@ -1169,7 +1171,6 @@ CONFIG_USB_HIDINPUT=y
# CONFIG_USB_ATI_REMOTE2 is not set
# CONFIG_USB_KEYSPAN_REMOTE is not set
# CONFIG_USB_APPLETOUCH is not set
-# CONFIG_USB_TRANCEVIBRATOR is not set
#
# USB Imaging devices
@@ -1215,6 +1216,7 @@ CONFIG_USB_MON=y
# CONFIG_USB_APPLEDISPLAY is not set
# CONFIG_USB_SISUSBVGA is not set
# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_TEST is not set
#
@@ -1284,6 +1286,7 @@ CONFIG_EXT3_FS=y
CONFIG_EXT3_FS_XATTR=y
CONFIG_EXT3_FS_POSIX_ACL=y
# CONFIG_EXT3_FS_SECURITY is not set
+# CONFIG_EXT4DEV_FS is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
@@ -1307,6 +1310,7 @@ CONFIG_DNOTIFY=y
# CONFIG_AUTOFS_FS is not set
CONFIG_AUTOFS4_FS=y
# CONFIG_FUSE_FS is not set
+CONFIG_GENERIC_ACL=y
#
# CD-ROM/DVD Filesystems
@@ -1384,7 +1388,6 @@ CONFIG_SUNRPC=y
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
# CONFIG_9P_FS is not set
-CONFIG_GENERIC_ACL=y
#
# Partition Types
@@ -1437,10 +1440,6 @@ CONFIG_NLS_ISO8859_15=y
CONFIG_NLS_UTF8=y
#
-# Distributed Lock Manager
-#
-
-#
# Instrumentation Support
#
CONFIG_PROFILING=y
@@ -1480,6 +1479,7 @@ CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_UNWIND_INFO=y
CONFIG_STACK_UNWIND=y
# CONFIG_FORCED_INLINING is not set
+# CONFIG_HEADERS_CHECK is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_LKDTM is not set
CONFIG_EARLY_PRINTK=y
diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S
index be9d883c62ce..ca31f18d277c 100644
--- a/arch/i386/kernel/head.S
+++ b/arch/i386/kernel/head.S
@@ -317,7 +317,7 @@ is386: movl $2,%ecx # set MP
movl %eax,%gs
lldt %ax
cld # gcc2 wants the direction flag cleared at all times
- pushl %eax # fake return address
+ pushl $0 # fake return address for unwinder
#ifdef CONFIG_SMP
movb ready, %cl
movb $1, ready
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index 3e8e3adb0489..eaafe233a5da 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -219,11 +219,11 @@ static int __init check_nmi_watchdog(void)
int cpu;
/* Enable NMI watchdog for newer systems.
- Actually it should be safe for most systems before 2004 too except
- for some IBM systems that corrupt registers when NMI happens
- during SMM. Unfortunately we don't have more exact information
- on these and use this coarse check. */
- if (nmi_watchdog == NMI_DEFAULT && dmi_get_year(DMI_BIOS_DATE) >= 2004)
+ Probably safe on most older systems too, but let's be careful.
+ IBM ThinkPads use INT10 inside SMM and that allows early NMI inside SMM
+ which hangs the system. Disable watchdog for all thinkpads */
+ if (nmi_watchdog == NMI_DEFAULT && dmi_get_year(DMI_BIOS_DATE) >= 2004 &&
+ !dmi_name_in_vendors("ThinkPad"))
nmi_watchdog = NMI_LOCAL_APIC;
if ((nmi_watchdog == NMI_NONE) || (nmi_watchdog == NMI_DEFAULT))
diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index 57d375900afb..1e1fa3e391a3 100644
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -336,7 +336,6 @@ extern void kernel_thread_helper(void);
int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
{
struct pt_regs regs;
- int err;
memset(&regs, 0, sizeof(regs));
@@ -351,10 +350,7 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
regs.eflags = X86_EFLAGS_IF | X86_EFLAGS_SF | X86_EFLAGS_PF | 0x2;
/* Ok, create the new process.. */
- err = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, &regs, 0, NULL, NULL);
- if (err == 0) /* terminate kernel stack */
- task_pt_regs(current)->eip = 0;
- return err;
+ return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, &regs, 0, NULL, NULL);
}
EXPORT_SYMBOL(kernel_thread);
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-29 06:17:10 +0000