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a7b9020b06
linux/arch/x86/kernel/cpu
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Thomas Gleixner a7b9020b06 x86/l1tf: Handle EPT disabled state proper 
If Extended Page Tables (EPT) are disabled or not supported, no L1D
flushing is required. The setup function can just avoid setting up the L1D
flush for the EPT=n case.

Invoke it after the hardware setup has be done and enable_ept has the
correct state and expose the EPT disabled state in the mitigation status as
well.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Jiri Kosina <jkosina@suse.cz>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lkml.kernel.org/r/20180713142322.612160168@linutronix.de
2018-07-13 16:29:53 +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
amd.c x86/CPU/AMD: Move TOPOEXT reenablement before reading smp_num_siblings 2018-06-22 14:52:13 +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/l1tf: Handle EPT disabled state proper 2018-07-13 16:29:53 +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 x86/cpu/common: Provide detect_ht_early() 2018-06-21 14:20:59 +02:00
cpu.h x86/cpu/topology: Provide detect_extended_topology_early() 2018-06-21 14:20:59 +02:00
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 x86/cpu/intel: Evaluate smp_num_siblings early 2018-06-21 14:20:59 +02:00
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 ARM: 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
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/topology: Provide detect_extended_topology_early() 2018-06-21 14:20:59 +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