Maneesh Soni 6796313263 [PATCH] Plug kdump shutdown race window ... lapic_shutdown() re-enables interrupts which is un-desirable for panic case, so use local_irq_save() and local_irq_restore() to keep the irqs disabled for kexec on panic case, and close a possible race window while kdump shutdown as shown in this stack trace -- BUG: spinlock lockup on CPU#1, bash/4396, c52781a0 [<c01c1870>] _raw_spin_lock+0xb7/0xd2 [<c029e148>] _spin_lock+0x6/0x8 [<c011b33f>] scheduler_tick+0xe7/0x328 [<c0128a7c>] update_process_times+0x51/0x5d [<c0114592>] smp_apic_timer_interrupt+0x4f/0x58 [<c01141ff>] lapic_shutdown+0x76/0x7e [<c0104d7c>] apic_timer_interrupt+0x1c/0x30 [<c01141ff>] lapic_shutdown+0x76/0x7e [<c0116659>] machine_crash_shutdown+0x83/0xaa [<c013cc36>] crash_kexec+0xc1/0xe3 [<c029e148>] _spin_lock+0x6/0x8 [<c013cc22>] crash_kexec+0xad/0xe3 [<c0215280>] __handle_sysrq+0x84/0xfd [<c018d937>] write_sysrq_trigger+0x2c/0x35 [<c015e47b>] vfs_write+0xa2/0x13b [<c015ea73>] sys_write+0x3b/0x64 [<c0103c69>] syscall_call+0x7/0xb Signed-off-by: Maneesh Soni <maneesh@in.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		2006-03-14 08:26:44 -08:00
..
alpha	[PATCH] alpha: fix IRQ handling lockup	2006-03-09 19:47:37 -08:00
arm	[ARM] iwmmxt thread state alignment	2006-03-12 22:36:06 +00:00
arm26	[PATCH] arm26: select BLK_DEV_FD only on A5K	2006-02-01 08:53:22 -08:00
cris	[PATCH] fallout from ptrace consolidation patch: cris/arch-v10	2006-02-07 20:57:19 -05:00
frv	[PATCH] FRV: Use virtual interrupt disablement	2006-02-14 16:09:35 -08:00
h8300	[PATCH] add missing pm_power_off's	2006-03-06 18:40:44 -08:00
i386	[PATCH] Plug kdump shutdown race window	2006-03-14 08:26:44 -08:00
ia64	[IA64] Fix race in the accessed/dirty bit handlers	2006-03-08 16:07:55 -08:00
m32r	[PATCH] m32r: fix and update for gcc-4.0	2006-02-24 14:31:36 -08:00
m68k	[PATCH] m68k: pm_power_off() breakage	2006-02-18 16:30:20 -05:00
m68knommu	[PATCH] hrtimer: round up relative start time on low-res arches	2006-02-14 16:09:35 -08:00
mips	[MIPS] Always pass -msoft-float.	2006-03-09 18:05:10 +00:00
parisc	[PATCH] hrtimer: round up relative start time on low-res arches	2006-02-14 16:09:35 -08:00
powerpc	Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge	2006-03-08 18:11:00 -08:00
ppc	powerpc: Fix various syscall/signal/swapcontext bugs	2006-03-08 13:24:22 +11:00
s390	[PATCH] s390: Increase spinlock retry code performance	2006-03-09 19:47:38 -08:00
sh	[PATCH] arch/sh/Kconfig: don't source non-existing Kconfig files	2006-03-09 19:47:37 -08:00
sh64	[PATCH] drive_info removal outside of arch/i386	2006-02-07 20:56:47 -05:00
sparc	[SPARC]: sys_newfstatat --> sys_fstatat64	2006-02-12 23:30:11 -08:00
sparc64	[SPARC64]: Mark __ex_table section correctly.	2006-03-04 23:23:56 -08:00
um	[PATCH] uml: tidying COW code	2006-02-24 14:31:37 -08:00
v850	[PATCH] add missing pm_power_off's	2006-03-06 18:40:44 -08:00
x86_64	Revert "[PATCH] x86-64: Fix up handling of non canonical user RIPs"	2006-03-14 08:01:47 -08:00
xtensa	[PATCH] xtensa must set RWSEM_GENERIC_SPINLOCK=y	2006-03-09 19:47:37 -08:00