On Wed, Mar 03, 2021 at 04:31:09PM -0600, Tom Lendacky wrote: > From: Tom Lendacky <thomas.lendacky@xxxxxxx> > > If SEV has been disabled (e.g. through BIOS), the driver probe will still > issue SEV firmware commands. The SEV INIT firmware command will return an > error in this situation, but the error code is a general error code that > doesn't highlight the exact reason. > > Add a check for X86_FEATURE_SEV in sev_dev_init() and emit a meaningful > message and skip attempting to initialize the SEV firmware if the feature > is not enabled. Since building the SEV code is dependent on X86_64, adding > the check won't cause any build problems. > > Cc: John Allen <john.allen@xxxxxxx> > Cc: Brijesh Singh <brijesh.singh@xxxxxxx> > Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx> > --- > drivers/crypto/ccp/sev-dev.c | 6 ++++++ > 1 file changed, 6 insertions(+) Patch applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
