gcc-9: silence 'address-of-packed-member' warning
authorLinus Torvalds <torvalds@linux-foundation.org>
Wed, 1 May 2019 18:05:41 +0000 (11:05 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 1 May 2019 18:05:41 +0000 (11:05 -0700)
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 <torvalds@linux-foundation.org>
Makefile

index 2b99679148dc74fa73f05149adb2c144c0988a5d..633d1196bf005defcbc5c074de7d5f7718894e5e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -678,6 +678,7 @@ 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)
 
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 KBUILD_CFLAGS  += -Os
@@ -719,7 +720,6 @@ ifdef CONFIG_CC_IS_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