| Message ID | 20170421213931.155210-2-mka@chromium.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi, On Fri, Apr 21, 2017 at 2:39 PM, Matthias Kaehlcke <mka@chromium.org> wrote: > clang generates plenty of these warnings in different parts of the code, > to an extent that the warnings are little more than noise. Disable the > 'address-of-packed-member' warning. > > Signed-off-by: Matthias Kaehlcke <mka@chromium.org> > --- > Makefile | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Makefile b/Makefile > index 5039b9148d15..df5abf346354 100644 > --- a/Makefile > +++ b/Makefile > @@ -703,6 +703,7 @@ KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,) > KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable) > KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) > KBUILD_CFLAGS += $(call cc-disable-warning, gnu) > +KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) > # Quiet clang warning: comparison of unsigned expression < 0 is always false > KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare) > # CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the Though I'm no expert, after reading the discussion on this thread and looking at the examples provided by Matthias, this seems sane to me. Thus, FWIW: Reviewed-by: Douglas Anderson <dianders@chromium.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
2017-05-17 6:32 GMT+09:00 Doug Anderson <dianders@chromium.org>: > Hi, > > On Fri, Apr 21, 2017 at 2:39 PM, Matthias Kaehlcke <mka@chromium.org> wrote: >> clang generates plenty of these warnings in different parts of the code, >> to an extent that the warnings are little more than noise. Disable the >> 'address-of-packed-member' warning. >> >> Signed-off-by: Matthias Kaehlcke <mka@chromium.org> >> --- >> Makefile | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/Makefile b/Makefile >> index 5039b9148d15..df5abf346354 100644 >> --- a/Makefile >> +++ b/Makefile >> @@ -703,6 +703,7 @@ KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,) >> KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable) >> KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) >> KBUILD_CFLAGS += $(call cc-disable-warning, gnu) >> +KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) >> # Quiet clang warning: comparison of unsigned expression < 0 is always false >> KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare) >> # CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the > > Though I'm no expert, after reading the discussion on this thread and > looking at the examples provided by Matthias, this seems sane to me. > Thus, FWIW: > > Reviewed-by: Douglas Anderson <dianders@chromium.org> 1/2 applied to linux-kbuild/kbuild. Thanks!
diff --git a/Makefile b/Makefile index 5039b9148d15..df5abf346354 100644 --- a/Makefile +++ b/Makefile @@ -703,6 +703,7 @@ KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,) KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable) KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) KBUILD_CFLAGS += $(call cc-disable-warning, gnu) +KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) # Quiet clang warning: comparison of unsigned expression < 0 is always false KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare) # CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
clang generates plenty of these warnings in different parts of the code, to an extent that the warnings are little more than noise. Disable the 'address-of-packed-member' warning. Signed-off-by: Matthias Kaehlcke <mka@chromium.org> --- Makefile | 1 + 1 file changed, 1 insertion(+)