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(parent: 8739312) | patch
powerpc/kasan: Disable KCOV in KASAN code
authorBenjamin Gray <bgray@linux.ibm.com>
Mon, 10 Jul 2023 04:41:43 +0000 (14:41 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 17 Jul 2023 12:49:44 +0000 (22:49 +1000)
commitccb381e1af1ace292153c88eb1fffa5683d16a20
tree44664e17eac5e0e070b7249c7f791499afe9435ctree | snapshot
parent8739312ed2faa79df61d157ac44fda840646d444commit | diff
powerpc/kasan: Disable KCOV in KASAN code

As per the generic KASAN code in mm/kasan, disable KCOV with
KCOV_INSTRUMENT := n in the makefile.

This fixes a ppc64 boot hang when KCOV and KASAN are enabled.
kasan_early_init() gets called before a PACA is initialised, but the
KCOV hook expects a valid PACA.

Suggested-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Benjamin Gray <bgray@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230710044143.146840-1-bgray@linux.ibm.com
arch/powerpc/mm/kasan/Makefile diff | blob | history
Domain: System / Kernel;