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authorJes Sorensen <jes@sgi.com>2009-04-09 16:38:14 +0200
committerAvi Kivity <avi@redhat.com>2009-04-22 13:52:09 +0300
commitd24d2c1cc4156102f9df9cd0425d58cabf955519 (patch)
tree8d487aa14b570e7d7fcebb566ab785850d28dd4b /drivers/input
parent99894a799f09cf9e28296bb16e75bd5830fd2c4e (diff)
KVM: ia64: fix locking order entering guest
Reorder locking as down_read() may return with local interrupts enabled, which means we could go into vti_vcpu_run() with interrupts enabled. This caused random crashes on the Altix as the timer interrupt tried to read a memory mapped clock source, for which the TLB had not yet been reinstated in the exit, before ipsr was retored. Signed-off-by: Jes Sorensen <jes@sgi.com> Acked-by: Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'drivers/input')
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