diff options
| author | Brijesh Singh <[email protected]> | 2018-07-20 10:28:46 +0900 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2018-07-22 14:10:38 +0200 |
| commit | 9b788f32bee6b0b293a4bdfca4ad4bb0206407fb (patch) | |
| tree | 1a1137caf4911461e43abd7c57216571b65cbc71 /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | 45ae4df9220701071ffec057d4b0071943022ab3 (diff) | |
x86/efi: Access EFI MMIO data as unencrypted when SEV is active
SEV guest fails to update the UEFI runtime variables stored in the
flash.
The following commit:
1379edd59673 ("x86/efi: Access EFI data as encrypted when SEV is active")
unconditionally maps all the UEFI runtime data as 'encrypted' (C=1).
When SEV is active the UEFI runtime data marked as EFI_MEMORY_MAPPED_IO
should be mapped as 'unencrypted' so that both guest and hypervisor can
access the data.
Signed-off-by: Brijesh Singh <[email protected]>
Signed-off-by: Ard Biesheuvel <[email protected]>
Reviewed-by: Tom Lendacky <[email protected]>
Cc: <[email protected]> # 4.15.x
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Fixes: 1379edd59673 ("x86/efi: Access EFI data as encrypted ...")
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions