Commit c4683cd5 authored Jun 04, 2019 by Marek Majkowski Committed by Richard Weinberger Jul 02, 2019

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 <marek@cloudflare.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

parent 80b81cdc

arch/um/kernel/skas/Makefile

+2 −0

Original line number	Diff line number	Diff line
		@@ -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