diff options
| author | Tom Lendacky <thomas.lendacky@amd.com> | 2023-01-23 16:53:08 -0600 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-02-03 12:54:54 +0800 |
| commit | 46a334a98f585ef78d51d8f5736596887bdd7f54 (patch) | |
| tree | e2ad29fc38b189e5b18cde8cc2a3749bcb41397a /drivers/crypto/n2_core.c | |
| parent | 7ce515e636ec1807723c30fd3a6181b4ccac6ec6 (diff) | |
crypto: ccp - Flush the SEV-ES TMR memory before giving it to firmware
Perform a cache flush on the SEV-ES TMR memory after allocation to prevent
any possibility of the firmware encountering an error should dirty cache
lines be present. Use clflush_cache_range() to flush the SEV-ES TMR memory.
Fixes: 97f9ac3db661 ("crypto: ccp - Add support for SEV-ES to the PSP driver")
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/n2_core.c')
0 files changed, 0 insertions, 0 deletions