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authorJakub Kicinski <kuba@kernel.org>2021-05-27 09:22:11 -0700
committerJakub Kicinski <kuba@kernel.org>2021-05-27 09:55:10 -0700
commit5ada57a9a6b0be0e6dfcbd4afa519b0347fd5649 (patch)
treef82f466df9272bb0c385320b25adc51c45309f84 /Documentation/x86/amd-memory-encryption.rst
parent59c56342459a483d5e563ed8b5fdb77ab7622a73 (diff)
parentd7c5303fbc8ac874ae3e597a5a0d3707dc0230b4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
cdc-wdm: s/kill_urbs/poison_urbs/ to fix build Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation/x86/amd-memory-encryption.rst')
-rw-r--r--Documentation/x86/amd-memory-encryption.rst6
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/x86/amd-memory-encryption.rst b/Documentation/x86/amd-memory-encryption.rst
index c48d452d0718..a1940ebe7be5 100644
--- a/Documentation/x86/amd-memory-encryption.rst
+++ b/Documentation/x86/amd-memory-encryption.rst
@@ -53,7 +53,7 @@ CPUID function 0x8000001f reports information related to SME::
system physical addresses, not guest physical
addresses)
-If support for SME is present, MSR 0xc00100010 (MSR_K8_SYSCFG) can be used to
+If support for SME is present, MSR 0xc00100010 (MSR_AMD64_SYSCFG) can be used to
determine if SME is enabled and/or to enable memory encryption::
0xc0010010:
@@ -79,7 +79,7 @@ The state of SME in the Linux kernel can be documented as follows:
The CPU supports SME (determined through CPUID instruction).
- Enabled:
- Supported and bit 23 of MSR_K8_SYSCFG is set.
+ Supported and bit 23 of MSR_AMD64_SYSCFG is set.
- Active:
Supported, Enabled and the Linux kernel is actively applying
@@ -89,7 +89,7 @@ The state of SME in the Linux kernel can be documented as follows:
SME can also be enabled and activated in the BIOS. If SME is enabled and
activated in the BIOS, then all memory accesses will be encrypted and it will
not be necessary to activate the Linux memory encryption support. If the BIOS
-merely enables SME (sets bit 23 of the MSR_K8_SYSCFG), then Linux can activate
+merely enables SME (sets bit 23 of the MSR_AMD64_SYSCFG), then Linux can activate
memory encryption by default (CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT=y) or
by supplying mem_encrypt=on on the kernel command line. However, if BIOS does
not enable SME, then Linux will not be able to activate memory encryption, even