Andy Lutomirski 45e876f794 x86/segments/64: When loadsegment(fs, ...) fails, clear the base ...

On AMD CPUs, a failed loadsegment currently may not clear the FS
base.  Fix it.

While we're at it, prevent loadsegment(gs, xyz) from even compiling
on 64-bit kernels.  It shouldn't be used.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/a084c1b93b7b1408b58d3fd0b5d6e47da8e7d7cf.1461698311.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

2016-04-29 11:56:41 +02:00

..

mcheck

Merge tag 'v4.6-rc4' into x86/asm, to pick up fixes

2016-04-19 10:38:52 +02:00

microcode

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

2016-03-15 10:39:22 -07:00

mtrr

Merge branch 'x86/mm' into x86/asm to resolve conflict and to create common base

2016-04-13 11:36:19 +02:00

.gitignore

Update .gitignore files for generated targets

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

amd.c

x86/cpu: Simplify extended APIC ID detection on AMD

2016-04-13 11:37:42 +02:00

bugs_64.c

x86/cpu: Convert printk(KERN_<LEVEL> ...) to pr_<level>(...)

2016-02-03 10:30:03 +01:00

bugs.c

x86/fpu: Move various internal function prototypes to fpu/internal.h

2015-05-19 15:47:48 +02:00

centaur.c

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

2016-03-15 09:32:27 -07:00

common.c

x86/segments/64: When loadsegment(fs, ...) fails, clear the base

2016-04-29 11:56:41 +02:00

cpu.h

x86/cpu: Restore MSR_IA32_ENERGY_PERF_BIAS after resume

2015-07-21 07:51:38 +02:00

cyrix.c

x86/cpufeature: Replace cpu_has_fpu with boot_cpu_has() usage

2016-04-13 11:37:40 +02:00

hypervisor.c

x86/cpu: Convert printk(KERN_<LEVEL> ...) to pr_<level>(...)

2016-02-03 10:30:03 +01:00

intel_cacheinfo.c

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

2016-03-15 09:32:27 -07:00

intel.c

x86/cpufeature: Replace cpu_has_apic with boot_cpu_has() usage

2016-04-13 11:37:41 +02:00

Makefile

kernel: add kcov code coverage

2016-03-22 15:36:02 -07:00

match.c

x86/cpufeature: Carve out X86_FEATURE_*

2016-01-30 11:22:17 +01:00

mkcapflags.sh

x86/cpufeature: Carve out X86_FEATURE_*

2016-01-30 11:22:17 +01:00

mshyperv.c

x86/hyperv: Avoid reporting bogus NMI status for Gen2 instances

2016-04-16 11:18:21 +02:00

perfctr-watchdog.c

perf/x86: Add support for Intel Xeon-Phi Knights Corner PMU

2012-10-04 13:32:37 +02:00

powerflags.c

x86/cpu: Add advanced power management bits

2016-03-29 11:12:11 +02:00

proc.c

x86: Replace cpu_**_mask() with topology_**_cpumask()

2015-05-27 15:22:17 +02:00

rdrand.c

x86/cpu: Convert printk(KERN_<LEVEL> ...) to pr_<level>(...)

2016-02-03 10:30:03 +01:00

scattered.c

x86/cpufeature: Move some of the scattered feature bits to x86_capability

2015-12-19 11:49:53 +01:00

topology.c

x86/cpu: Convert printk(KERN_<LEVEL> ...) to pr_<level>(...)

2016-02-03 10:30:03 +01:00

transmeta.c

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

2016-03-15 09:32:27 -07:00

umc.c

x86: Delete non-required instances of include <linux/init.h>

2014-01-06 21:25:18 -08:00

vmware.c

x86/cpufeature: Remove cpu_has_hypervisor

2016-03-31 13:35:07 +02:00