On Fri, Apr 12, 2019 at 12:27 PM Mark Rutland <[email protected]> wrote: > > The help text for CONFIG_ARCH_HAS_KCOV is stale, and describes the > feature as being enabled only for x86_64, when it is now enabled for > several architectures, including arm, arm64, powerpc, and s390. > > Let's remove that stale help text, and update it along the lines of hat > for ARCH_HAS_FORTIFY_SOURCE, better describing when an architecture > should select CONFIG_ARCH_HAS_KCOV. > > Signed-off-by: Mark Rutland <[email protected]> > Cc: Andrew Morton <[email protected]> > Cc: Dmitry Vyukov <[email protected]> > Cc: Kees Cook <[email protected]> > --- > lib/Kconfig.debug | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > index 0d9e81779e37..00dbcdbc9a0d 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -753,9 +753,9 @@ endmenu # "Memory Debugging" > config ARCH_HAS_KCOV > bool > help > - KCOV does not have any arch-specific code, but currently it is > enabled > - only for x86_64. KCOV requires testing on other archs, and most > likely > - disabling of instrumentation for some early boot code. > + An architecture should select this when it can successfully > + build and run with CONFIG_KCOV. This typically requires > + disabling instrumentation for some early boot code. > > config CC_HAS_SANCOV_TRACE_PC > def_bool $(cc-option,-fsanitize-coverage=trace-pc) > -- > 2.11.0
Acked-by: Dmitry Vyukov <[email protected]>

