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Commit 7601d815 authored by Linus Torvalds's avatar Linus Torvalds Committed by Greg Kroah-Hartman
Browse files

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: default avatarLinus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2e41539e

Makefile

+1 −1
Original line number Diff line number Diff line
@@ -647,6 +647,7 @@ 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_LD_DEAD_CODE_DATA_ELIMINATION
@@ -718,7 +719,6 @@ 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