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3d80840d96
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Marcelo Tosatti 3d80840d96 KVM: hlt emulation should take in-kernel APIC/PIT timers into account 
Timers that fire between guest hlt and vcpu_block's add_wait_queue() are
ignored, possibly resulting in hangs.

Also make sure that atomic_inc and waitqueue_active tests happen in the
specified order, otherwise the following race is open:

CPU0                                        CPU1
                                            if (waitqueue_active(wq))
add_wait_queue()
if (!atomic_read(pit_timer->pending))
    schedule()
                                            atomic_inc(pit_timer->pending)

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27 12:04:11 +03:00
..
acpi
asm-alpha generic: implement __fls on all 64-bit archs 2008-04-26 19:21:16 +02:00
asm-arm [MTD] [NAND] S3C2410 Allow ECC disable to be specified by the board 2008-04-22 21:41:32 +01:00
asm-avr32 avr32: add include/asm-avr32/serial.h 2008-04-19 20:40:10 -04:00
asm-blackfin [Blackfin] arch: add include/boot .gitignore files 2008-04-25 08:29:11 +08:00
asm-cris
asm-frv frv: remove HARD_RESET_NOW() 2008-04-21 16:03:13 -07:00
asm-generic bitops: use __fls for fls64 on 64-bit archs 2008-04-26 19:21:16 +02:00
asm-h8300
asm-ia64 KVM: ia64: Add header files for kvm/ia64 2008-04-27 12:01:02 +03:00
asm-m32r Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 2008-04-18 08:39:24 -07:00
asm-m68k
asm-m68knommu
asm-mips Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-generic-bitops-v3 2008-04-26 13:46:11 -07:00
asm-mn10300
asm-parisc generic: implement __fls on all 64-bit archs 2008-04-26 19:21:16 +02:00
asm-powerpc generic: implement __fls on all 64-bit archs 2008-04-26 19:21:16 +02:00
asm-ppc [POWERPC] 4xx: Fix duplicate phys_addr_t definition 2008-04-24 20:57:34 +10:00
asm-s390 KVM: s390: Improve pgste accesses 2008-04-27 12:01:00 +03:00
asm-sh generic: implement __fls on all 64-bit archs 2008-04-26 19:21:16 +02:00
asm-sparc [SPARC64]: NUMA device infrastructure. 2008-04-23 23:32:16 -07:00
asm-sparc64 generic: implement __fls on all 64-bit archs 2008-04-26 19:21:16 +02:00
asm-um
asm-v850
asm-x86 KVM: Add trace markers 2008-04-27 12:01:19 +03:00
asm-xtensa
crypto [CRYPTO] aes: Export generic setkey 2008-04-21 10:19:34 +08:00
keys KEYS: Fix the comment to match the file name in rxrpc-type.h. 2008-04-21 22:43:55 +00:00
linux KVM: hlt emulation should take in-kernel APIC/PIT timers into account 2008-04-27 12:04:11 +03:00
math-emu
media V4L/DVB (7677): saa7134: Add/fix Beholder entries 2008-04-24 14:09:46 -03:00
mtd
net IPv6 support for NFS server export caches 2008-04-23 16:13:36 -04:00
pcmcia
rdma IB: convert struct class_device to struct device 2008-04-19 19:10:30 -07:00
rxrpc
scsi Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6 2008-04-21 15:49:58 -07:00
sound [ALSA] Define MPU401 registers in sound/mpu401_uart.h 2008-04-24 12:38:22 +02:00
video
xen xen: add balloon driver 2008-04-24 23:57:33 +02:00
Kbuild