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| author | Marek Majkowski | 2019-06-04 13:20:50 +0200 |
|---|---|---|
| committer | Richard Weinberger | 2019-07-02 23:27:42 +0200 |
| commit | c4683cd5fb243894a3de2d9ba2e0570ab339920c (patch) | |
| tree | 3f5828bac7465ea73ef7e0ebab064cb7255dc320 /arch/um | |
| parent | um: configs: Remove useless UEVENT_HELPER_PATH (diff) | |
| download | kernel-qcow2-linux-c4683cd5fb243894a3de2d9ba2e0570ab339920c.tar.gz kernel-qcow2-linux-c4683cd5fb243894a3de2d9ba2e0570ab339920c.tar.xz kernel-qcow2-linux-c4683cd5fb243894a3de2d9ba2e0570ab339920c.zip | |
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>
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/kernel/skas/Makefile | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/um/kernel/skas/Makefile b/arch/um/kernel/skas/Makefile index 0b76d8869c94..5bd3edfcfedf 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 |