kernel_optimize_test/arch/mips/kernel
Huang Pei bb06748207 MIPS: add missing MSACSR and upper MSA initialization
In cc97ab235f ("MIPS: Simplify FP context initialization), init_fp_ctx
just initialize the fp/msa context, and own_fp_inatomic just restore
FCSR and 64bit FP regs from it, but miss MSACSR and upper MSA regs for
MSA, so MSACSR and MSA upper regs's value from previous task on current
cpu can leak into current task and cause unpredictable behavior when MSA
context not initialized.

Fixes: cc97ab235f ("MIPS: Simplify FP context initialization")
Signed-off-by: Huang Pei <huangpei@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2020-09-03 12:00:03 +02:00
..
syscalls all arch: remove system call sys_sysctl 2020-08-14 19:56:56 -07:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
asm-offsets.c
binfmt_elfn32.c y2038: elfcore: Use __kernel_old_timeval for process times 2019-11-15 14:38:29 +01:00
binfmt_elfo32.c y2038: elfcore: Use __kernel_old_timeval for process times 2019-11-15 14:38:29 +01:00
bmips_5xxx_init.S
bmips_vec.S
branch.c MIPS: Use fallthrough for arch/mips 2020-05-07 11:55:47 +02:00
cacheinfo.c mips: cacheinfo: report shared CPU map 2019-11-26 10:33:08 -08:00
cevt-bcm1480.c MIPS: Replace setup_irq() by request_irq() 2020-03-05 16:47:35 +01:00
cevt-ds1287.c MIPS: Replace setup_irq() by request_irq() 2020-03-05 16:47:35 +01:00
cevt-gt641xx.c MIPS: Replace setup_irq() by request_irq() 2020-03-05 16:47:35 +01:00
cevt-r4k.c mips: cevt-r4k: Update the r4k-clockevent frequency in sync with CPU 2020-05-22 09:14:32 +02:00
cevt-sb1250.c MIPS: Replace setup_irq() by request_irq() 2020-03-05 16:47:35 +01:00
cevt-txx9.c MIPS: Replace setup_irq() by request_irq() 2020-03-05 16:47:35 +01:00
cmpxchg.c
cps-vec-ns16550.S mips: Add CPS_NS16550_WIDTH config 2020-05-22 09:12:52 +02:00
cps-vec.S
cpu-probe.c MIPS: handle Loongson-specific GSExc exception 2020-07-31 17:52:47 +02:00
crash_dump.c
crash.c
csrc-bcm1480.c
csrc-ioasic.c
csrc-r4k.c mips: csrc-r4k: Mark R4K timer as unstable if CPU freq changes 2020-05-22 09:14:06 +02:00
csrc-sb1250.c
early_printk_8250.c
early_printk.c
elf.c
entry.S mips: Add MIPS Release 5 support 2020-05-22 09:09:01 +02:00
ftrace.c
genex.S MIPS: handle Loongson-specific GSExc exception 2020-07-31 17:52:47 +02:00
gpio_txx9.c
head.S MIPS: head.S: Init fw_passed_dtb to builtin DTB 2020-07-31 17:48:02 +02:00
i8253.c MIPS: Replace setup_irq() by request_irq() 2020-03-05 16:47:35 +01:00
idle.c MIPS: Use fallthrough for arch/mips 2020-05-07 11:55:47 +02:00
irq_txx9.c
irq-gt641xx.c
irq-msc01.c
irq-rm7000.c
irq.c
jump_label.c
kgdb.c
kprobes.c maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
linux32.c
machine_kexec.c
Makefile MIPS: Remove legacy MIPS_MACHINE option 2020-07-28 10:21:17 +02:00
mcount.S
mips-cm.c mips: cm: Add L2 ECC/parity errors reporting 2020-05-07 13:11:38 +02:00
mips-cpc.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
mips-mt-fpaff.c
mips-mt.c
mips-r2-to-r6-emul.c MIPS: Use fallthrough for arch/mips 2020-05-07 11:55:47 +02:00
module.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
octeon_switch.S
perf_event_mipsxx.c MIPS: perf: Fix wrong check condition of Loongson event IDs 2020-09-01 13:52:33 +02:00
perf_event.c
pm-cps.c
pm.c
probes-common.h
proc.c mips: Add MIPS Release 5 support 2020-05-22 09:09:01 +02:00
process.c arch: rename copy_thread_tls() back to copy_thread() 2020-07-04 23:41:37 +02:00
prom.c
ptrace.c mips: switch to ->regset_get() 2020-07-27 14:31:08 -04:00
ptrace32.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
r4k_fpu.S mips: Add MIPS Release 5 support 2020-05-22 09:09:01 +02:00
r4k_switch.S
r4k-bugs64.c
r2300_fpu.S
r2300_switch.S
relocate_kernel.S
relocate.c
reset.c
rtlx-cmp.c
rtlx-mt.c MIPS: Replace setup_irq() by request_irq() 2020-03-05 16:47:35 +01:00
rtlx.c
scall32-o32.S
scall64-n32.S
scall64-n64.S
scall64-o32.S MIPS: asm: Rename some macros to avoid build errors 2020-05-07 13:20:05 +02:00
segment.c
setup.c mm/sparse: cleanup the code surrounding memory_present() 2020-08-07 11:33:27 -07:00
signal_n32.c
signal_o32.c
signal-common.h
signal.c MIPS: Replace zero-length array with flexible-array 2020-05-08 12:01:02 +02:00
signal32.c
smp-bmips.c MIPS: BMIPS: Also call bmips_cpu_setup() for secondary cores 2020-08-21 09:29:09 +02:00
smp-cmp.c
smp-cps.c
smp-mt.c
smp-up.c
smp.c MIPS updates for v5.7: 2020-03-31 08:51:45 -07:00
spinlock_test.c
spram.c mips: Add CONFIG/CONFIG6/Cause reg fields macro 2020-05-22 09:12:22 +02:00
stacktrace.c
sync-r4k.c MIPS: sync-r4k: do slave counter synchronization with disabled HW interrupts 2020-01-22 10:16:18 -08:00
syscall.c
sysrq.c MIPS: constify sysrq_key_op 2020-05-15 14:53:19 +02:00
time.c mips: Add udelay lpj numbers adjustment 2020-05-22 09:13:32 +02:00
topology.c MIPS: CPU#0 is not hotpluggable 2020-07-26 10:18:35 +02:00
traps.c MIPS: add missing MSACSR and upper MSA initialization 2020-09-03 12:00:03 +02:00
unaligned.c uaccess: add force_uaccess_{begin,end} helpers 2020-08-12 10:57:59 -07:00
uprobes.c
vdso.c mmap locking API: use coccinelle to convert mmap_sem rwsem call sites 2020-06-09 09:39:14 -07:00
vmlinux.lds.S MIPS: Truncate link address into 32bit for 32bit kernel 2020-05-07 10:31:01 +02:00
vpe-cmp.c
vpe-mt.c
vpe.c MIPS: VPE: Fix a double free and a memory leak in 'release_vpe()' 2020-02-15 12:44:03 -08:00
watch.c MIPS: Use fallthrough for arch/mips 2020-05-07 11:55:47 +02:00