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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:48:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:48:00 +0000
commite313beb668f41d49c10c546180fc02c62ab2cbe3 (patch)
tree154cbe88a0957f3ed27428f536ad06681af563dd /arch/x86/Kconfig
parentReleasing progress-linux version 6.7.9-2~progress7.99u1. (diff)
downloadlinux-e313beb668f41d49c10c546180fc02c62ab2cbe3.tar.xz
linux-e313beb668f41d49c10c546180fc02c62ab2cbe3.zip
Merging upstream version 6.7.12.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig24
1 files changed, 11 insertions, 13 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 1566748f16..9241274858 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1539,19 +1539,6 @@ config AMD_MEM_ENCRYPT
This requires an AMD processor that supports Secure Memory
Encryption (SME).
-config AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT
- bool "Activate AMD Secure Memory Encryption (SME) by default"
- depends on AMD_MEM_ENCRYPT
- help
- Say yes to have system memory encrypted by default if running on
- an AMD processor that supports Secure Memory Encryption (SME).
-
- If set to Y, then the encryption of system memory can be
- deactivated with the mem_encrypt=off command line option.
-
- If set to N, then the encryption of system memory can be
- activated with the mem_encrypt=on command line option.
-
# Common NUMA Features
config NUMA
bool "NUMA Memory Allocation and Scheduler Support"
@@ -2609,6 +2596,17 @@ config GDS_FORCE_MITIGATION
If in doubt, say N.
+config MITIGATION_RFDS
+ bool "RFDS Mitigation"
+ depends on CPU_SUP_INTEL
+ default y
+ help
+ Enable mitigation for Register File Data Sampling (RFDS) by default.
+ RFDS is a hardware vulnerability which affects Intel Atom CPUs. It
+ allows unprivileged speculative access to stale data previously
+ stored in floating point, vector and integer registers.
+ See also <file:Documentation/admin-guide/hw-vuln/reg-file-data-sampling.rst>
+
endif
config ARCH_HAS_ADD_PAGES