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be38e4f2cc
linux/arch/xtensa/kernel
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Max Filippov be38e4f2cc xtensa: don't clear cpenable unconditionally on release 
Clearing cpenable special register for a task without changing
coprocessor owner for the coprocessors that were enabled will result in
coprocessor context flush and immediate reload at the next attempt to
access this coprocessor if it happens before the context switch.
Avoid it by only clearing cpenable special register if
coprocessor_release_all is called for the current task.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2018-12-04 14:08:23 -08:00
..
syscalls xtensa: add system call table generation support 2018-12-02 23:45:22 -08:00
.gitignore xtensa: tell git to ignore generated files 2013-06-05 10:14:19 -07:00
align.S xtensa: clean up word alignment macros in assembly code 2017-12-10 14:48:53 -08:00
asm-offsets.c xtensa: drop unused field from the struct exc_table 2018-12-03 01:39:22 -08:00
coprocessor.S xtensa: simplify coprocessor.S 2018-12-04 14:08:23 -08:00
entry.S xtensa: drop fast_syscall_kernel 2018-12-03 01:39:22 -08:00
head.S xtensa: fix boot parameters address translation 2018-11-14 00:15:32 -08:00
hw_breakpoint.c xtensa: clean up WSR*/RSR*/get_sr/set_sr 2018-12-04 14:08:11 -08:00
irq.c xtensa: drop variant IRQ support 2018-08-20 12:28:05 -07:00
Makefile kbuild/arch/xtensa: Define LINKER_SCRIPT for the linker script 2018-10-04 10:05:38 +02:00
mcount.S xtensa: add static function tracer support 2013-07-08 01:18:57 -07:00
module.c xtensa: clean up custom-controlled debug output 2017-12-16 22:37:08 -08:00
mxhead.S xtensa: drop unused sections and remapped reset handlers 2015-11-03 17:19:39 +03:00
pci-dma.c Xtensa improvements for v4.19: 2018-08-22 14:04:41 -07:00
pci.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
perf_event.c cpu/hotplug: Cleanup state names 2016-12-25 10:47:44 +01:00
platform.c xtensa: cleanup ccount frequency tracking 2013-07-08 01:11:37 -07:00
process.c xtensa: don't clear cpenable unconditionally on release 2018-12-04 14:08:23 -08:00
ptrace.c xtensa: drop custom PTRACE_{PEEK,POKE}{TEXT,DATA} 2018-12-03 01:39:23 -08:00
s32c1i_selftest.c xtensa: move S32C1I self-test to a separate file 2016-11-16 15:08:28 -08:00
setup.c xtensa: clean up WSR*/RSR*/get_sr/set_sr 2018-12-04 14:08:11 -08:00
signal.c xtensa: clean up custom-controlled debug output 2017-12-16 22:37:08 -08:00
smp.c sched/headers: Move task->mm handling methods to <linux/sched/mm.h> 2017-03-03 01:43:28 +01:00
stacktrace.c xtensa: clean up access to spilled registers locations 2017-05-01 10:34:43 -07:00
syscall.c xtensa: generate uapi header and syscall table header files 2018-12-02 23:45:41 -08:00
time.c clocksource/drivers: Rename clocksource_probe to timer_probe 2017-06-14 11:59:16 +02:00
traps.c xtensa: clean up WSR*/RSR*/get_sr/set_sr 2018-12-04 14:08:11 -08:00
vectors.S xtensa: use call instead of callx in assembly code 2017-12-10 14:48:52 -08:00
vmlinux.lds.S Xtensa fixes and cleanups for v4.20: 2018-11-01 14:32:43 -07:00
xtensa_ksyms.c xtensa: use generic strncpy_from_user with KASAN 2017-12-17 15:34:57 -08:00