Tom Lendacky 612bc3b3d4 x86/bugs: Fix the AMD SSBD usage of the SPEC_CTRL MSR ...

On AMD, the presence of the MSR_SPEC_CTRL feature does not imply that the
SSBD mitigation support should use the SPEC_CTRL MSR. Other features could
have caused the MSR_SPEC_CTRL feature to be set, while a different SSBD
mitigation option is in place.

Update the SSBD support to check for the actual SSBD features that will
use the SPEC_CTRL MSR.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Borislav Petkov <bpetkov@suse.de>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 6ac2f49edb ("x86/bugs: Add AMD's SPEC_CTRL MSR usage")
Link: http://lkml.kernel.org/r/20180702213602.29202.33151.stgit@tlendack-t1.amdoffice.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>

2018-07-03 09:45:48 +02:00

..

mcheck

treewide: kzalloc() -> kcalloc()

2018-06-12 16:19:22 -07:00

microcode

x86/microcode: Make the late update update_lock a raw lock for RT

2018-05-27 21:50:09 +02:00

mtrr

treewide: kzalloc() -> kcalloc()

2018-06-12 16:19:22 -07:00

.gitignore

Update .gitignore files for generated targets

2008-10-20 11:24:31 -07:00

amd.c

x86/bugs: Update when to check for the LS_CFG SSBD mitigation

2018-07-03 09:45:48 +02:00

aperfmperf.c

x86 / CPU: Always show current CPU frequency in /proc/cpuinfo

2017-11-15 19:46:50 +01:00

bugs.c

x86/bugs: Fix the AMD SSBD usage of the SPEC_CTRL MSR

2018-07-03 09:45:48 +02:00

cacheinfo.c

x86/CPU: Move cpu_detect_cache_sizes() into init_intel_cacheinfo()

2018-05-13 16:14:24 +02:00

centaur.c

x86/CPU: Move x86_cpuinfo::x86_max_cores assignment to detect_num_cpu_cores()

2018-05-13 16:14:24 +02:00

common.c

Kbuild: rename CC_STACKPROTECTOR[_STRONG] config variables

2018-06-14 12:21:18 +09:00

cpu.h

Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2018-06-04 18:19:18 -07:00

cpuid-deps.c

x86/cpuid: Switch to 'static const' specifier

2018-03-08 12:23:42 +01:00

cyrix.c

x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping

2018-02-15 01:15:52 +01:00

hypervisor.c

x86/jailhouse: Add infrastructure for running in non-root cell

2018-01-14 21:11:54 +01:00

intel_pconfig.c

x86/pconfig: Detect PCONFIG targets

2018-03-12 12:10:54 +01:00

intel_rdt_ctrlmondata.c

x86/intel_rdt/mba_sc: Add schemata support

2018-05-19 13:16:44 +02:00

intel_rdt_monitor.c

x86/intel_rdt/mba_sc: Feedback loop to dynamically update mem bandwidth

2018-05-19 13:16:44 +02:00

intel_rdt_rdtgroup.c

x86/intel_rdt/mba_sc: Add initialization support

2018-05-19 13:16:43 +02:00

intel_rdt.c

Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2018-06-10 09:44:53 -07:00

intel_rdt.h

x86/intel_rdt/mba_sc: Feedback loop to dynamically update mem bandwidth

2018-05-19 13:16:44 +02:00

intel.c

Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2018-06-04 18:19:18 -07:00

Makefile

x86/CPU: Rename intel_cacheinfo.c to cacheinfo.c

2018-05-06 12:49:15 +02:00

match.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

mkcapflags.sh

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

mshyperv.c

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2018-04-09 11:42:31 -07:00

perfctr-watchdog.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

powerflags.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

proc.c

x86/cpu: Change type of x86_cache_size variable to unsigned int

2018-02-15 01:15:53 +01:00

rdrand.c

x86, asm: Use CC_SET()/CC_OUT() and static_cpu_has() in archrandom.h

2016-06-08 12:41:20 -07:00

scattered.c

Merge branch 'x86/hyperv' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2018-02-01 15:04:17 +01:00

topology.c

x86/CPU: Modify detect_extended_topology() to return result

2018-05-06 12:49:16 +02:00

transmeta.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

umc.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

vmware.c

x86/virt: Add enum for hypervisors to replace x86_hyper

2017-11-10 10:03:12 +01:00