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[ Upstream commitcc17982d58] Create a helper function sev_fw_alloc() which can be used to allocate aligned memory regions for use by the PSP firmware. Currently only used for the SEV-ES TMR region but will be used for the SEV_INIT_EX NV memory region. Signed-off-by: Peter Gonda <pgonda@google.com> Reviewed-by: Marc Orr <marcorr@google.com> Acked-by: David Rientjes <rientjes@google.com> Acked-by: Brijesh Singh <brijesh.singh@amd.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Marc Orr <marcorr@google.com> Cc: Joerg Roedel <jroedel@suse.de> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: David Rientjes <rientjes@google.com> Cc: John Allen <john.allen@amd.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: linux-crypto@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Stable-dep-of:46a334a98f("crypto: ccp - Flush the SEV-ES TMR memory before giving it to firmware") Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.