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| author | Michael Ellerman <mpe@ellerman.id.au> | 2020-05-20 15:12:57 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-06-02 13:59:06 +0300 |
| commit | 598c01b5b2fca3a9de8ad3400edbff98ec22f0b2 (patch) | |
| tree | 4a1a83bd9c40aa93f4969fbfbc8f76abed1bda4b /arch/powerpc/configs/pseries_defconfig | |
| parent | 82a7cebdd95cffa55449d6c1d97cc9b743a66056 (diff) | |
| download | linux-598c01b5b2fca3a9de8ad3400edbff98ec22f0b2.tar.xz | |
powerpc/configs/64s: Enable CONFIG_PRINTK_CALLER
This adds the CPU or thread number to printk messages. This helps a
lot when deciphering concurrent oopses that have been interleaved.
Example output, of PID1 (T1) triggering a warning:
[ 1.581678][ T1] WARNING: CPU: 0 PID: 1 at crypto/rsa-pkcs1pad.c:539 pkcs1pad_verify+0x38/0x140
[ 1.581681][ T1] Modules linked in:
[ 1.581693][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.5.0-rc5-gcc-8.2.0-00121-gf84c2e595927-dirty #1515
[ 1.581700][ T1] NIP: c000000000207d64 LR: c000000000207d3c CTR: c000000000207d2c
[ 1.581708][ T1] REGS: c0000000fd2e7560 TRAP: 0700 Not tainted (5.5.0-rc5-gcc-8.2.0-00121-gf84c2e595927-dirty)
[ 1.581712][ T1] MSR: 9000000000029033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 44000222 XER: 00040000
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200520121257.961112-1-mpe@ellerman.id.au
Diffstat (limited to 'arch/powerpc/configs/pseries_defconfig')
| -rw-r--r-- | arch/powerpc/configs/pseries_defconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index 0bea4d3ffb85..dfa4a726333b 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig @@ -322,3 +322,4 @@ CONFIG_KVM_BOOK3S_64=m CONFIG_KVM_BOOK3S_64_HV=m CONFIG_VHOST_NET=m CONFIG_PRINTK_TIME=y +CONFIG_PRINTK_CALLER=y |