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b648ab487f
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Ben Hutchings b648ab487f x86/speculation: Make all RETbleed mitigations 64-bit only 
The mitigations for RETBleed are currently ineffective on x86_32 since
entry_32.S does not use the required macros.  However, for an x86_32
target, the kconfig symbols for them are still enabled by default and
/sys/devices/system/cpu/vulnerabilities/retbleed will wrongly report
that mitigations are in place.

Make all of these symbols depend on X86_64, and only enable RETHUNK by
default on X86_64.

Fixes: f43b9876e8 ("x86/retbleed: Add fine grained Kconfig knobs")
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/YtwSR3NNsWp1ohfV@decadent.org.uk
2022-07-23 18:45:11 +02:00
..
alpha Cleanups (and one fix) around struct mount handling. 2022-06-04 19:00:05 -07:00
arc This set of changes updates init and user mode helper tasks to be 2022-06-03 16:03:05 -07:00
arm ARM: SoC fixes for 5.19, part 3 2022-07-15 10:16:44 -07:00
arm64 ARM: SoC fixes for 5.19, part 3 2022-07-15 10:16:44 -07:00
csky This set of changes updates init and user mode helper tasks to be 2022-06-03 16:03:05 -07:00
hexagon
ia64 Bitmap patches for 5.19-rc1 2022-06-04 14:04:27 -07:00
loongarch LoongArch: Fix section mismatch warning 2022-07-07 17:41:01 +08:00
m68k This set of changes updates init and user mode helper tasks to be 2022-06-03 16:03:05 -07:00
microblaze This set of changes updates init and user mode helper tasks to be 2022-06-03 16:03:05 -07:00
mips mips: lantiq: Add missing of_node_put() in irq.c 2022-06-21 22:34:03 +02:00
nios2 This set of changes updates init and user mode helper tasks to be 2022-06-03 16:03:05 -07:00
openrisc openrisc: unwinder: Fix grammar issue in comment 2022-06-28 17:31:24 +09:00
parisc parisc: Fix vDSO signal breakage on 32-bit kernel 2022-07-02 18:36:58 +02:00
powerpc powerpc/powernv: delay rng platform device creation until later in boot 2022-07-04 21:11:47 +10:00
riscv RISC-V Fixes for 5.19-rc7 2022-07-15 10:40:50 -07:00
s390 s390/nospec: remove unneeded header includes 2022-07-13 15:21:55 +02:00
sh sh: convert nommu io{re,un}map() to static inline functions 2022-07-03 15:42:32 -07:00
sparc This set of changes updates init and user mode helper tasks to be 2022-06-03 16:03:05 -07:00
um - Improve the check whether the kernel supports WP mappings so that it 2022-07-17 08:27:30 -07:00
x86 x86/speculation: Make all RETbleed mitigations 64-bit only 2022-07-23 18:45:11 +02:00
xtensa xtensa: change '.bss' to '.section .bss' 2022-06-20 02:50:34 -07:00
.gitignore
Kconfig A set of objtool fixes: 2022-06-05 09:45:27 -07:00