Guenter Roeck <linux@xxxxxxxxxxxx> writes: > Add name of functions triggering warning backtraces to the __bug_table > object section to enable support for suppressing WARNING backtraces. > > To limit image size impact, the pointer to the function name is only added > to the __bug_table section if both CONFIG_KUNIT_SUPPRESS_BACKTRACE and > CONFIG_DEBUG_BUGVERBOSE are enabled. Otherwise, the __func__ assembly > parameter is replaced with a (dummy) NULL parameter to avoid an image size > increase due to unused __func__ entries (this is necessary because __func__ > is not a define but a virtual variable). > > Tested-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > Acked-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > v2: > - Rebased to v6.9-rc1 > - Added Tested-by:, Acked-by:, and Reviewed-by: tags > - Introduced KUNIT_SUPPRESS_BACKTRACE configuration option > v3: > - Rebased to v6.9-rc2 > > arch/powerpc/include/asm/bug.h | 37 +++++++++++++++++++++++++--------- > 1 file changed, 28 insertions(+), 9 deletions(-) I ran it through some build and boot tests, LGTM. Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc) cheers
