From: Marek Majkowski Date: Tue, 4 Jun 2019 11:20:50 +0000 (+0200) Subject: um: Fix kcov crash during startup X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c4683cd5fb243894a3de2d9ba2e0570ab339920c;p=linux.git um: Fix kcov crash during startup Kcov fails to start when compiled with kcov. Disable KCOV on arch/uml/kernel/skas. $ gdb -q -ex r ./vmlinux Program received signal SIGSEGV, Segmentation fault. check_kcov_mode (t=<>, needed_mode=<>) at kernel/kcov.c:70 70 mode = READ_ONCE(t->kcov_mode); Signed-off-by: Marek Majkowski Signed-off-by: Richard Weinberger --- diff --git a/arch/um/kernel/skas/Makefile b/arch/um/kernel/skas/Makefile index 0b76d8869c945..5bd3edfcfedfd 100644 --- a/arch/um/kernel/skas/Makefile +++ b/arch/um/kernel/skas/Makefile @@ -12,4 +12,6 @@ obj-y := clone.o mmu.o process.o syscall.o uaccess.o CFLAGS_clone.o := $(CFLAGS_NO_HARDENING) UNPROFILE_OBJS := clone.o +KCOV_INSTRUMENT := n + include arch/um/scripts/Makefile.rules