Xingxing Su 5868347a19 MIPS: Do not use smp_processor_id() in preemptible code ... Use preempt_disable() to fix the following bug under CONFIG_DEBUG_PREEMPT. [ 21.915305] BUG: using smp_processor_id() in preemptible [00000000] code: qemu-system-mip/1056 [ 21.923996] caller is do_ri+0x1d4/0x690 [ 21.927921] CPU: 0 PID: 1056 Comm: qemu-system-mip Not tainted 5.8.0-rc2 #3 [ 21.934913] Stack : 0000000000000001 ffffffff81370000 ffffffff8071cd60 a80f926d5ac95694 [ 21.942984] a80f926d5ac95694 0000000000000000 98000007f0043c88 ffffffff80f2fe40 [ 21.951054] 0000000000000000 0000000000000000 0000000000000001 0000000000000000 [ 21.959123] ffffffff802d60cc 98000007f0043dd8 ffffffff81f4b1e8 ffffffff81f60000 [ 21.967192] ffffffff81f60000 ffffffff80fe0000 ffff000000000000 0000000000000000 [ 21.975261] fffffffff500cce1 0000000000000001 0000000000000002 0000000000000000 [ 21.983331] ffffffff80fe1a40 0000000000000006 ffffffff8077f940 0000000000000000 [ 21.991401] ffffffff81460000 98000007f0040000 98000007f0043c80 000000fffba8cf20 [ 21.999471] ffffffff8071cd60 0000000000000000 0000000000000000 0000000000000000 [ 22.007541] 0000000000000000 0000000000000000 ffffffff80212ab4 a80f926d5ac95694 [ 22.015610] ... [ 22.018086] Call Trace: [ 22.020562] [<ffffffff80212ab4>] show_stack+0xa4/0x138 [ 22.025732] [<ffffffff8071cd60>] dump_stack+0xf0/0x150 [ 22.030903] [<ffffffff80c73f5c>] check_preemption_disabled+0xf4/0x100 [ 22.037375] [<ffffffff80213b84>] do_ri+0x1d4/0x690 [ 22.042198] [<ffffffff8020b828>] handle_ri_int+0x44/0x5c [ 24.359386] BUG: using smp_processor_id() in preemptible [00000000] code: qemu-system-mip/1072 [ 24.368204] caller is do_ri+0x1a8/0x690 [ 24.372169] CPU: 4 PID: 1072 Comm: qemu-system-mip Not tainted 5.8.0-rc2 #3 [ 24.379170] Stack : 0000000000000001 ffffffff81370000 ffffffff8071cd60 a80f926d5ac95694 [ 24.387246] a80f926d5ac95694 0000000000000000 98001007ef06bc88 ffffffff80f2fe40 [ 24.395318] 0000000000000000 0000000000000000 0000000000000001 0000000000000000 [ 24.403389] ffffffff802d60cc 98001007ef06bdd8 ffffffff81f4b818 ffffffff81f60000 [ 24.411461] ffffffff81f60000 ffffffff80fe0000 ffff000000000000 0000000000000000 [ 24.419533] fffffffff500cce1 0000000000000001 0000000000000002 0000000000000000 [ 24.427603] ffffffff80fe0000 0000000000000006 ffffffff8077f940 0000000000000020 [ 24.435673] ffffffff81460020 98001007ef068000 98001007ef06bc80 000000fffbbbb370 [ 24.443745] ffffffff8071cd60 0000000000000000 0000000000000000 0000000000000000 [ 24.451816] 0000000000000000 0000000000000000 ffffffff80212ab4 a80f926d5ac95694 [ 24.459887] ... [ 24.462367] Call Trace: [ 24.464846] [<ffffffff80212ab4>] show_stack+0xa4/0x138 [ 24.470029] [<ffffffff8071cd60>] dump_stack+0xf0/0x150 [ 24.475208] [<ffffffff80c73f5c>] check_preemption_disabled+0xf4/0x100 [ 24.481682] [<ffffffff80213b58>] do_ri+0x1a8/0x690 [ 24.486509] [<ffffffff8020b828>] handle_ri_int+0x44/0x5c Signed-off-by: Xingxing Su <suxingxing@loongson.cn> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>		2020-07-05 11:43:52 +02:00
..
syscalls	vfs: add faccessat2 syscall	2020-05-14 16:44:25 +02:00
.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	KVM: MIPS: Enable KVM support for Loongson-3	2020-06-04 13:51:53 -04:00
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: Fix IRQ tracing when call handle_fpe() and handle_msa_fpe()	2020-05-27 13:11:49 +02:00
gpio_txx9.c
head.S	MIPS: Clear XContext at boot time	2020-04-24 18:37:23 +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
linux32.c
machine_kexec.c
Makefile	MIPS: Remove not used 8250-platform.c	2020-05-17 10:25:26 +02:00
mcount.S
mips_machine.c
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: Remove unnecessary "fallthrough" pseudo keywords	2020-05-02 13:21:09 +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	mm: don't include asm/pgtable.h if linux/mm.h is already included	2020-06-09 09:39:13 -07:00
prom.c
ptrace.c	mm: don't include asm/pgtable.h if linux/mm.h is already included	2020-06-09 09:39:13 -07:00
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	MIPS: Remove useless parameter of bootcmdline_init()	2020-05-19 17:36:04 +02:00
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	mm: don't include asm/pgtable.h if linux/mm.h is already included	2020-06-09 09:39:13 -07:00
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
traps.c	MIPS: Do not use smp_processor_id() in preemptible code	2020-07-05 11:43:52 +02:00
unaligned.c	MIPS: Fix build warning about "PTR_STR" redefinition	2020-05-30 10:58:30 +02:00
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