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5df9d11be4
linux/arch/mips
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Kevin D. Kissell 5df9d11be4 MIPS: SMTC: Fix lockup in smtc_distribute_timer 
1. At the end of smtc_distribute_timer, nextstamp is valid and has already
   passed so we goto repeat.
2. Nothing updates nextstamp (only updated if the timeout is in the future
   And we just decided it is in the past)
3. At the end nextstamp still has the same value so it is still valid and
   in the past.
4. This repeats until read_c0_count has a value which causes nextstamp to
   be in the future.

Reported and initial patch and testing  by Mikael Starvik
<mikael.starvik@axis.com>.

Signed-off-by: Kevin D. Kissell <kevink@paralogos.com>
Cc: Mikael Starvik <mikael.starvik@axis.com>
Cc: linux-mips@linux-mips.org
Cc: Jesper Nilsson <Jesper.Nilsson@axis.com>
Patchwork: http://patchwork.linux-mips.org/patch/621/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-11-13 18:10:38 +01:00
..
alchemy MIPS: Alchemy: Fix hang with high-frequency edge interrupts 2009-11-02 12:00:08 +01:00
ar7 MIPS: AR7: register watchdog device only if enabled in hw configuration 2009-11-02 12:00:03 +01:00
basler/excite MIPS: Excite: Get rid of BKL. 2009-09-30 21:47:01 +02:00
bcm47xx MIPS: Make local arrays with CL_SIZE static __initdata 2009-11-13 18:10:37 +01:00
bcm63xx MIPS: bcm63xx: Set the correct BCM3302 CPU name 2009-11-02 12:00:07 +01:00
boot MIPS: Remove useless zero initializations. 2009-09-17 20:07:51 +02:00
cavium-octeon MIPS: Octeon: Use lockless interrupt controller operations when possible. 2009-11-02 12:00:07 +01:00
cobalt Update Yoichi Yuasa's e-mail address 2009-07-03 15:45:29 +01:00
configs MIPS: TXx9: Update rbtx49xx_defconfig 2009-11-13 18:10:37 +01:00
dec Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-09-18 09:15:24 -07:00
emma MIPS: Remove useless zero initializations. 2009-09-17 20:07:51 +02:00
fw MIPS: Remove useless zero initializations. 2009-09-17 20:07:51 +02:00
gt64120/wrppmc Update Yoichi Yuasa's e-mail address 2009-07-03 15:45:29 +01:00
include/asm MIPS: Add DMA declare coherent memory support 2009-11-13 18:10:37 +01:00
jazz MIPS: Add IRQF_TIMER flag for timer interrupts 2009-11-02 12:00:02 +01:00
kernel MIPS: SMTC: Fix lockup in smtc_distribute_timer 2009-11-13 18:10:38 +01:00
lasat sysctl: remove "struct file *" argument of ->proc_handler 2009-09-24 07:21:04 -07:00
lib
loongson MIPS: Loongson: Remove redundant local_irq_disable() 2009-11-02 12:00:02 +01:00
math-emu MIPS: Fix emulation of 64-bit FPU on FPU-less 64-bit CPUs. 2009-11-13 18:10:37 +01:00
mipssim cpumask: arch_send_call_function_ipi_mask: mips 2009-09-24 09:34:45 +09:30
mm MIPS: Add DMA declare coherent memory support 2009-11-13 18:10:37 +01:00
mti-malta MIPS: Make local arrays with CL_SIZE static __initdata 2009-11-13 18:10:37 +01:00
nxp MIPS: Add IRQF_TIMER flag for timer interrupts 2009-11-02 12:00:02 +01:00
oprofile MIPS: Oprofile: Rename cpu_type from godson2 to loongson2 2009-11-02 12:00:08 +01:00
pci MIPS: MSP71xx: request_irq() failure ignored in msp_pcibios_config_access() 2009-09-30 21:47:01 +02:00
pmc-sierra cpumask: arch_send_call_function_ipi_mask: mips 2009-09-24 09:34:45 +09:30
power MIPS: Use PAGE_SIZE in assembly instead of _PAGE_SIZE. 2009-09-17 20:07:48 +02:00
rb532 MIPS: Make local arrays with CL_SIZE static __initdata 2009-11-13 18:10:37 +01:00
sgi-ip22 MIPS: IP22, IP28: Build with -Werror 2009-09-17 20:07:44 +02:00
sgi-ip27 MIPS: Add IRQF_TIMER flag for timer interrupts 2009-11-02 12:00:02 +01:00
sgi-ip32
sibyte MIPS: Sibyte: Get rid of BKL. 2009-09-30 21:47:01 +02:00
sni MIPS: Add IRQF_TIMER flag for timer interrupts 2009-11-02 12:00:02 +01:00
txx9 MIPS: Make local arrays with CL_SIZE static __initdata 2009-11-13 18:10:37 +01:00
vr41xx Update Yoichi Yuasa's e-mail address 2009-07-03 15:45:29 +01:00
Kconfig MIPS: Add DMA declare coherent memory support 2009-11-13 18:10:37 +01:00
Kconfig.debug
Makefile arm, cris, mips, sparc, powerpc, um, xtensa: fix build with bash 4.0 2009-09-20 12:28:22 +02:00