On Tue, Apr 21, 2020 at 12:44:49PM -0500, Tom Lendacky wrote: > To provide support for SEV-ES, the hypervisor must provide an area of > memory to the PSP. Once this Trusted Memory Region (TMR) is provided to > the PSP, the contents of this area of memory are no longer available to > the x86. > > Update the PSP driver to allocate a 1MB region for the TMR that is 1MB > aligned and then provide it to the PSP through the SEV INIT command. > > Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx> > > --- > > Changes since v1: > - No need to over-allocate the memory area to obtain the required > alignment when using the page allocator. > --- > drivers/crypto/ccp/sev-dev.c | 43 ++++++++++++++++++++++++++++++++++++ > include/linux/psp-sev.h | 2 ++ > include/uapi/linux/psp-sev.h | 2 ++ > 3 files changed, 47 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
