linux/arch/mips
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
..
alchemy MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
ar7 MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
ath25 MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
ath79 MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
bcm47xx MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
bcm63xx MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
bmips MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
boot MIPS: ingenic: gcw0: Fix HP detection GPIO. 2020-06-25 10:18:22 +02:00
cavium-octeon MIPS updates for v5.8: 2020-06-03 13:32:21 -07:00
cobalt MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
configs MIPS: Loongson: Enable devicetree based probing for 8250 ports in defconfig 2020-05-18 09:34:41 +02:00
crypto crypto: {arm,arm64,mips}/poly1305 - remove redundant non-reduction from emit 2020-01-16 15:18:12 +08:00
dec MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
fw mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
generic MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
include MIPS: 2020-06-12 11:05:52 -07:00
jazz mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
jz4740 MIPS: ingenic: Default to a generic board 2020-05-27 13:04:22 +02:00
kernel MIPS: Do not use smp_processor_id() in preemptible code 2020-07-05 11:43:52 +02:00
kvm Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
lantiq MIPS: lantiq: xway: sysctrl: fix the GPHY clock alias names 2020-06-15 13:14:51 +02:00
lib mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
loongson2ef MIPS: Fix exception handler memcpy() 2020-05-24 09:15:54 +02:00
loongson32 MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
loongson64 Merge branch 'akpm' (patches from Andrew) 2020-06-03 20:24:15 -07:00
math-emu MIPS: Use fallthrough for arch/mips 2020-05-07 11:55:47 +02:00
mm mmap locking API: convert mmap_sem API comments 2020-06-09 09:39:14 -07:00
mti-malta MIPS: Fix exception handler memcpy() 2020-05-24 09:15:54 +02:00
net MIPS: BPF: Use sizeof_field() instead of FIELD_SIZEOF() 2020-01-10 11:33:35 -08:00
netlogic MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
oprofile MIPS: Use fallthrough for arch/mips 2020-05-07 11:55:47 +02:00
paravirt MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
pci MIPS: Loongson64: Switch to generic PCI driver 2020-05-27 13:01:56 +02:00
pic32 MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
pistachio MIPS: Fix exception handler memcpy() 2020-05-24 09:15:54 +02:00
pnx833x MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
power mips: check for dsp presence only once before save/restore 2019-10-07 10:58:53 -07:00
ralink This time around we have 4 lines of diff in the core framework, removing a 2020-06-10 11:42:19 -07:00
rb532 MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
sgi-ip22 MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
sgi-ip27 mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
sgi-ip30 MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
sgi-ip32 mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
sibyte MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
sni MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
tools MIPS: tools: Fix resource leak in elf-entry.c 2020-05-24 09:29:48 +02:00
txx9 MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
vdso MIPS: VDSO: Allow ld.lld to link the VDSO 2020-05-12 10:02:11 +02:00
vr41xx MIPS: Fix builds for VR41xx platforms 2020-05-15 09:09:58 +02:00
Kbuild MIPS: Fix "make clean" error due to recent changes 2020-05-13 13:20:22 +02:00
Kbuild.platforms MIPS: Fix typos in arch/mips/Kbuild.platforms 2020-05-13 13:19:52 +02:00
Kconfig Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
Kconfig.debug mips: Add CPS_NS16550_WIDTH config 2020-05-22 09:12:52 +02:00
Makefile mips: Add MIPS Warrior P5600 support 2020-05-22 09:10:53 +02:00
Makefile.postlink MIPS: fix indentation of the 'RELOCS' message 2020-01-20 15:37:30 -08:00