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authorWill Deacon <[email protected]>2020-07-29 11:28:19 +0100
committerMarc Zyngier <[email protected]>2020-07-30 16:02:37 +0100
commit84b951a803a5464b0bff2fb1366e96f07f75b066 (patch)
tree9450a719ec5d5dfa5c71d50187dc1a8786d4d08e /lib/memory-notifier-error-inject.c
parentc9a636f29b5f236441ff059cef0b2fe734c05afd (diff)
KVM: arm64: Handle data and instruction external aborts the same way
If the guest generates a synchronous external abort which is not handled by the host, we inject it back into the guest as a virtual SError, but only if the original fault was reported on the data side. Instruction faults are reported as "Unsupported FSC", causing the vCPU run loop to bail with -EFAULT. Although synchronous external aborts from a guest are pretty unusual, treat them the same regardless of whether they are taken as data or instruction aborts by EL2. Signed-off-by: Will Deacon <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Cc: Marc Zyngier <[email protected]> Cc: Quentin Perret <[email protected]> Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'lib/memory-notifier-error-inject.c')
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