diff options
| author | Vasant Hegde <vasant.hegde@amd.com> | 2024-05-30 07:11:18 +0000 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2024-06-04 13:59:52 +0200 |
| commit | 48dc345a23b984c457d1c5878168d026c500618f (patch) | |
| tree | 37fc18b53e4fb0c336ee355ad690d06796f6e444 /drivers/net/ethernet/intel/igc | |
| 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 <bp@alien8.de>
Fixes: c4cb23111103 ("iommu/amd: Add support for enable/disable IOPF")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218900
Tested-by: Borislav Petkov <bp@alien8.de>
Tested-by: Jean-Christophe Guillain <jean-christophe@guillain.net>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20240530071118.10297-1-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/net/ethernet/intel/igc')
0 files changed, 0 insertions, 0 deletions