Mao Han 229a0ddee1 csky: Fixup perf callchain unwind ... [ 5221.974084] Unable to handle kernel paging request at virtual address 0xfffff000, pc: 0x8002c18e [ 5221.985929] Oops: 00000000 [ 5221.989488] [ 5221.989488] CURRENT PROCESS: [ 5221.989488] [ 5221.992877] COMM=callchain_test PID=11962 [ 5221.995213] TEXT=00008000-000087e0 DATA=00009f1c-0000a018 BSS=0000a018-0000b000 [ 5221.999037] USER-STACK=7fc18e20 KERNEL-STACK=be204680 [ 5221.999037] [ 5222.003292] PC: 0x8002c18e (perf_callchain_kernel+0x3e/0xd4) [ 5222.007957] LR: 0x8002c198 (perf_callchain_kernel+0x48/0xd4) [ 5222.074873] Call Trace: [ 5222.074873] [<800a248e>] get_perf_callchain+0x20a/0x29c [ 5222.074873] [<8009d964>] perf_callchain+0x64/0x80 [ 5222.074873] [<8009dc1c>] perf_prepare_sample+0x29c/0x4b8 [ 5222.074873] [<8009de6e>] perf_event_output_forward+0x36/0x98 [ 5222.074873] [<800497e0>] search_exception_tables+0x20/0x44 [ 5222.074873] [<8002cbb6>] do_page_fault+0x92/0x378 [ 5222.074873] [<80098608>] __perf_event_overflow+0x54/0xdc [ 5222.074873] [<80098778>] perf_swevent_hrtimer+0xe8/0x164 [ 5222.074873] [<8002ddd0>] update_mmu_cache+0x0/0xd8 [ 5222.074873] [<8002c014>] user_backtrace+0x58/0xc4 [ 5222.074873] [<8002c0b4>] perf_callchain_user+0x34/0xd0 [ 5222.074873] [<800a2442>] get_perf_callchain+0x1be/0x29c [ 5222.074873] [<8009d964>] perf_callchain+0x64/0x80 [ 5222.074873] [<8009d834>] perf_output_sample+0x78c/0x858 [ 5222.074873] [<8009dc1c>] perf_prepare_sample+0x29c/0x4b8 [ 5222.074873] [<8009de94>] perf_event_output_forward+0x5c/0x98 [ 5222.097846] [ 5222.097846] [<800a0300>] perf_event_exit_task+0x58/0x43c [ 5222.097846] [<8006c874>] hrtimer_interrupt+0x104/0x2ec [ 5222.097846] [<800a0300>] perf_event_exit_task+0x58/0x43c [ 5222.097846] [<80437bb6>] dw_apb_clockevent_irq+0x2a/0x4c [ 5222.097846] [<8006c770>] hrtimer_interrupt+0x0/0x2ec [ 5222.097846] [<8005f2e4>] __handle_irq_event_percpu+0xac/0x19c [ 5222.097846] [<80437bb6>] dw_apb_clockevent_irq+0x2a/0x4c [ 5222.097846] [<8005f408>] handle_irq_event_percpu+0x34/0x88 [ 5222.097846] [<8005f480>] handle_irq_event+0x24/0x64 [ 5222.097846] [<8006218c>] handle_level_irq+0x68/0xdc [ 5222.097846] [<8005ec76>] __handle_domain_irq+0x56/0xa8 [ 5222.097846] [<80450e90>] ck_irq_handler+0xac/0xe4 [ 5222.097846] [<80029012>] csky_do_IRQ+0x12/0x24 [ 5222.097846] [<8002a3a0>] csky_irq+0x70/0x80 [ 5222.097846] [<800ca612>] alloc_set_pte+0xd2/0x238 [ 5222.097846] [<8002ddd0>] update_mmu_cache+0x0/0xd8 [ 5222.097846] [<800a0340>] perf_event_exit_task+0x98/0x43c The original fp check doesn't base on the real kernal stack region. Invalid fp address may cause kernel panic. Signed-off-by: Mao Han <han_mao@linux.alibaba.com> Signed-off-by: Guo Ren <guoren@linux.alibaba.com>		2020-05-13 17:55:05 +08:00
..
alpha	mm/special: create generic fallbacks for pte_special() and pte_mkspecial()	2020-04-10 15:36:21 -07:00
arc	arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>	2020-04-23 10:50:26 +09:00
arm	ARM: futex: Address build warning	2020-05-07 00:41:47 +02:00
arm64	- Avoid potential NULL dereference in huge_pte_alloc() on pmd_alloc()	2020-05-07 09:55:58 -07:00
c6x	mm/vma: define a default value for VM_DATA_DEFAULT_FLAGS	2020-04-10 15:36:21 -07:00
csky	csky: Fixup perf callchain unwind	2020-05-13 17:55:05 +08:00
h8300	h8300: ignore vmlinux.lds	2020-04-23 16:41:26 +09:00
hexagon	arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>	2020-04-23 10:50:26 +09:00
ia64	arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>	2020-04-23 10:50:26 +09:00
m68k	m68k: Drop redundant generic-y += hardirq.h	2020-04-13 11:08:52 -07:00
microblaze	mm/special: create generic fallbacks for pte_special() and pte_mkspecial()	2020-04-10 15:36:21 -07:00
mips	arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>	2020-04-23 10:50:26 +09:00
nds32	arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>	2020-04-23 10:50:26 +09:00
nios2	nios2 update for v5.7-rc1	2020-04-11 11:38:44 -07:00
openrisc	mm/special: create generic fallbacks for pte_special() and pte_mkspecial()	2020-04-10 15:36:21 -07:00
parisc	mm/special: create generic fallbacks for pte_special() and pte_mkspecial()	2020-04-10 15:36:21 -07:00
powerpc	Bugfixes, mostly for ARM and AMD, and more documentation.	2020-05-07 09:50:59 -07:00
riscv	RISC-V: Remove unused code from STRICT_KERNEL_RWX	2020-05-05 17:02:14 -07:00
s390	Bugfixes, mostly for ARM and AMD, and more documentation.	2020-05-07 09:50:59 -07:00
sh	Kbuild fixes for v5.7	2020-04-24 10:39:32 -07:00
sparc	mm/special: create generic fallbacks for pte_special() and pte_mkspecial()	2020-04-10 15:36:21 -07:00
um	um: ensure make ARCH=um mrproper removes arch/$(SUBARCH)/include/generated/	2020-04-23 10:50:26 +09:00
unicore32	mm/special: create generic fallbacks for pte_special() and pte_mkspecial()	2020-04-10 15:36:21 -07:00
x86	A set of fixes for x86:	2020-05-10 11:59:53 -07:00
xtensa	arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>	2020-04-23 10:50:26 +09:00
.gitignore	.gitignore: add SPDX License Identifier	2020-03-25 11:50:48 +01:00
Kconfig	dma-mapping updates for 5.7	2020-04-04 10:12:47 -07:00