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Ingo Molnar f97586b610 x86: do not crash on non-Geode PCs in TSC probe 
with this fix Geode kernels can be booted (and QA-ed) on generic PCs.

otherwise it crashes and burns during early bootup:

Detected 2160.212 MHz processor.
general protection fault: 0000 [#1]
PREEMPT SMP
Modules linked in:
CPU:    0
EIP:    0060:[<c09071f6>]    Not tainted VLI
EFLAGS: 00010002   (2.6.23-rc9 #90)
EIP is at tsc_init+0xa6/0x150
eax: 00000001   ebx: c1dce000   ecx: 00001900   edx: 00000001
esi: 00051000   edi: 00051000   ebp: c08fdfc4   esp: c08fdfa4
ds: 007b   es: 007b   fs: 00d8  gs: 0000  ss: 0068
Process swapper (pid: 0, ti=c08fc000 task=c082a180 task.ti=c08fc000)
Stack: c076b870 00000870 000000d4 0000001d c0831e80 c1dce000 00051000 00051000
       c08fdfcc c09053f8 c08fdff8 c09045ff 000001e2 c09040a0 00051000 00000020
       0004e500 c0932140 00020800 00099800 c08ed000 01409007 00000000
Call Trace:
 [<c010517a>] show_trace_log_lvl+0x1a/0x30
 [<c0105246>] show_stack_log_lvl+0xb6/0x100
 [<c0105732>] show_registers+0x212/0x3a0
 [<c0105aa4>] die+0x104/0x220
 [<c0105f5f>] do_general_protection+0x1ef/0x2b0
 [<c06699f2>] error_code+0x72/0x78
 [<c09053f8>] time_init+0x8/0x20
 [<c09045ff>] start_kernel+0x1af/0x320
 [<00000000>] 0x0
 =======================
Code: 31 d2 b8 00 00 09 3d f7 35 2c 70 9b c0 a3 04 95 8f c0 e8 ce 4e 99 ff b8 e0 45 93 c0 e8 94 b1 c5 ff e8 7f 3d 80 ff b9 00 19 00 00 <0f> 32 f6 c4 01 74 07 83 25 24 ce 82 c0 fd 8b 0d 20 ce 82 c0 b8
EIP: [<c09071f6>] tsc_init+0xa6/0x150 SS:ESP 0068:c08fdfa4
Kernel panic - not syncing: Attempted to kill the idle task!

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 		2007-10-17 20:15:37 +02:00
..
alpha Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild 2007-10-16 11:23:06 -07:00
arm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup 2007-10-17 09:00:30 -07:00
avr32 Remove dma_cache_(wback|inv|wback_inv) functions 2007-10-17 08:42:57 -07:00
blackfin Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild 2007-10-16 11:23:06 -07:00
cris remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
frv remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
h8300 remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
i386 Update help text for CONFIG_CRASH_DUMP 2007-10-17 08:43:06 -07:00
ia64 Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block 2007-10-17 09:08:13 -07:00
m32r remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
m68k remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
m68knommu remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
mips spin_lock_unlocked cleanups 2007-10-17 08:43:01 -07:00
parisc Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild 2007-10-16 11:23:06 -07:00
powerpc Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 2007-10-17 09:05:55 -07:00
ppc Merge branch 'for-2.6.24' of git://git.secretlab.ca/git/linux-2.6-mpc52xx into merge 2007-10-17 22:31:13 +10:00
s390 remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
sh Remove dma_cache_(wback|inv|wback_inv) functions 2007-10-17 08:42:57 -07:00
sh64 Remove dma_cache_(wback|inv|wback_inv) functions 2007-10-17 08:42:57 -07:00
sparc remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
sparc64 Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block 2007-10-17 09:08:13 -07:00
um remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
v850 remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
x86 x86: do not crash on non-Geode PCs in TSC probe 2007-10-17 20:15:37 +02:00
x86_64 x86: Install unstripped copy of 64bit vdso to disk 2007-10-17 20:15:20 +02:00
xtensa Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild 2007-10-16 11:23:06 -07:00