diff options
| author | Vasant Hegde <[email protected]> | 2024-05-30 07:11:18 +0000 |
|---|---|---|
| committer | Joerg Roedel <[email protected]> | 2024-06-04 13:59:52 +0200 |
| commit | 48dc345a23b984c457d1c5878168d026c500618f (patch) | |
| tree | 37fc18b53e4fb0c336ee355ad690d06796f6e444 /lib/memory-notifier-error-inject.c | |
| parent | 998a0a362b0b4cf501161c3319e6994d37c45a8c (diff) | |
iommu/amd: Check EFR[EPHSup] bit before enabling PPR
Check for EFR[EPHSup] bit before enabling PPR. This bit must be set
to enable PPR.
Reported-by: Borislav Petkov <[email protected]>
Fixes: c4cb23111103 ("iommu/amd: Add support for enable/disable IOPF")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218900
Tested-by: Borislav Petkov <[email protected]>
Tested-by: Jean-Christophe Guillain <[email protected]>
Signed-off-by: Vasant Hegde <[email protected]>
Reviewed-by: Suravee Suthikulpanit <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Joerg Roedel <[email protected]>
Diffstat (limited to 'lib/memory-notifier-error-inject.c')
0 files changed, 0 insertions, 0 deletions