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Andy Lutomirski e37558449a x86/entry/64: Pass SP0 directly to load_sp0() 
commit da51da189a24bb9b7e2d5a123be096e51a4695a5 upstream.

load_sp0() had an odd signature:

  void load_sp0(struct tss_struct *tss, struct thread_struct *thread);

Simplify it to:

  void load_sp0(unsigned long sp0);

Also simplify a few get_cpu()/put_cpu() sequences to
preempt_disable()/preempt_enable().

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Cc: Borislav Petkov <bpetkov@suse.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.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/2655d8b42ed940aa384fe18ee1129bbbcf730a08.1509609304.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-25 14:26:18 +01:00
..
alpha
License cleanup: add SPDX license identifiers to some files
2017-11-02 10:04:46 -07:00
arc
License cleanup: add SPDX license identifiers to some files
2017-11-02 10:04:46 -07:00
arm
ARM: avoid faulting on qemu
2017-12-14 09:53:05 +01:00
arm64
ARM64: dts: meson-gxbb-odroidc2: fix usb1 power supply
2017-12-20 10:10:30 +01:00
blackfin
pinctrl: adi2: Fix Kconfig build problem
2017-12-20 10:10:34 +01:00
c6x
License cleanup: add SPDX license identifier to uapi header files with a license
2017-11-02 11:20:11 +01:00
cris
License cleanup: add SPDX license identifier to uapi header files with no license
2017-11-02 11:19:54 +01:00
frv
License cleanup: add SPDX license identifier to uapi header files with a license
2017-11-02 11:20:11 +01:00
h8300
License cleanup: add SPDX license identifier to uapi header files with no license
2017-11-02 11:19:54 +01:00
hexagon
License cleanup: add SPDX license identifier to uapi header files with a license
2017-11-02 11:20:11 +01:00
ia64
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-11-05 12:14:50 -08:00
m32r
License cleanup: add SPDX license identifier to uapi header files with a license
2017-11-02 11:20:11 +01:00
m68k
m68k: fix ColdFire node shift size calculation
2017-12-10 13:40:39 +01:00
metag
License cleanup: add SPDX license identifier to uapi header files with a license
2017-11-02 11:20:11 +01:00
microblaze
License cleanup: add SPDX license identifier to uapi header files with a license
2017-11-02 11:20:11 +01:00
mips
fcntl: don't cap l_start and l_end values for F_GETLK64 in compat syscall
2017-12-17 15:07:59 +01:00
mn10300
License cleanup: add SPDX license identifier to uapi header files with a license
2017-11-02 11:20:11 +01:00
nios2
License cleanup: add SPDX license identifier to uapi header files with a license
2017-11-02 11:20:11 +01:00
openrisc
License cleanup: add SPDX license identifier to uapi header files with a license
2017-11-02 11:20:11 +01:00
parisc
fcntl: don't cap l_start and l_end values for F_GETLK64 in compat syscall
2017-12-17 15:07:59 +01:00
powerpc
powerpc/xmon: Check before calling xive functions
2017-12-20 10:10:34 +01:00
s390
kernel: make groups_sort calling a responsibility group_info allocators
2017-12-20 10:10:18 +01:00
score
License cleanup: add SPDX license identifier to uapi header files with no license
2017-11-02 11:19:54 +01:00
sh
License cleanup: add SPDX license identifier to uapi header files with a license
2017-11-02 11:20:11 +01:00
sparc
fcntl: don't cap l_start and l_end values for F_GETLK64 in compat syscall
2017-12-17 15:07:59 +01:00
tile
fcntl: don't cap l_start and l_end values for F_GETLK64 in compat syscall
2017-12-17 15:07:59 +01:00
um
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
unicore32
License cleanup: add SPDX license identifier to uapi header files with a license
2017-11-02 11:20:11 +01:00
x86
x86/entry/64: Pass SP0 directly to load_sp0()
2017-12-25 14:26:18 +01:00
xtensa
License cleanup: add SPDX license identifier to uapi header files with a license
2017-11-02 11:20:11 +01:00
.gitignore
…
Kconfig
kprobes: Use synchronize_rcu_tasks() for optprobe with CONFIG_PREEMPT=y
2017-12-10 13:40:40 +01:00