From: Linus Torvalds Date: Wed, 1 May 2019 18:05:41 +0000 (-0700) Subject: gcc-9: silence 'address-of-packed-member' warning X-Git-Tag: submit/tizen/20191231.055421~9 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=691680fbd3d24d419e10bfc2d4ca8afc8a4df7f4;p=profile%2Fcommon%2Fplatform%2Fkernel%2Flinux-artik7.git gcc-9: silence 'address-of-packed-member' warning commit 6f303d60534c46aa1a239f29c321f95c83dda748 upstream. We already did this for clang, but now gcc has that warning too. Yes, yes, the address may be unaligned. And that's kind of the point. Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman [sw0312.kim: cherry-pick from stable linux-4.4.y commit 9efccd7745a1 for gcc 9 build] Signed-off-by: Seung-Woo Kim Change-Id: I1a6ea66a5214bed3371e92686b00f870e5c678f0 --- diff --git a/Makefile b/Makefile index 2aa8db459a74..b882e14efd9c 100644 --- a/Makefile +++ b/Makefile @@ -636,6 +636,7 @@ KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,) KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation) KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow) KBUILD_CFLAGS += $(call cc-disable-warning, int-in-bool-context) +KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) KBUILD_CFLAGS += $(call cc-disable-warning, attribute-alias) ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE @@ -712,7 +713,6 @@ ifeq ($(cc-name),clang) KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) 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