Re: [PATCH v2 2/2] thermal: Move therm_throt there from x86/mce

From: Sergey Senozhatsky
Date: Mon Feb 08 2021 - 21:28:46 EST


Hi,

Seems that the patch triggers some WARNs on my laptop.

For every CPU:

[ 0.003751] WARNING: CPU: 4 PID: 0 at arch/x86/kernel/irq.c:390 thermal_set_handler+0x12/0x25
[ 0.003751] Modules linked in:
[ 0.003751] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G W 5.11.0-rc6-next-20210208-00003-g3ba4c4f662ad-dirty #1928
[ 0.003751] RIP: 0010:thermal_set_handler+0x12/0x25
[ 0.003751] RSP: 0000:ffffb5f0c00c7ed8 EFLAGS: 00010097
[ 0.003751] RAX: 0000000000000003 RBX: 0000000000000000 RCX: 00000000000001b2
[ 0.003751] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffffffff98410d00
[ 0.003751] RBP: ffff9e3c5fb11460 R08: 0000000000000000 R09: 000000000003007f
[ 0.003751] R10: ffff9e3c5fb11480 R11: 0000000000000000 R12: 0000000000000428
[ 0.003751] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 0.003751] FS: 0000000000000000(0000) GS:ffff9e3c5fb00000(0000) knlGS:0000000000000000
[ 0.003751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.003751] CR2: 0000000000000000 CR3: 000000039ee0a001 CR4: 00000000001706a0
[ 0.003751] Call Trace:
[ 0.003751] intel_init_thermal+0x16d/0x1c7
[ 0.003751] identify_cpu+0x249/0x329
[ 0.003751] identify_secondary_cpu+0x15/0x8c
[ 0.003751] smp_store_cpu_info+0x3f/0x48
[ 0.003751] start_secondary+0x42/0xfd
[ 0.003751] secondary_startup_64_no_verify+0xb0/0xbb

-ss