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de3008bb GKH |
1 | From 6f303d60534c46aa1a239f29c321f95c83dda748 Mon Sep 17 00:00:00 2001 |
2 | From: Linus Torvalds <torvalds@linux-foundation.org> | |
3 | Date: Wed, 1 May 2019 11:05:41 -0700 | |
4 | Subject: gcc-9: silence 'address-of-packed-member' warning | |
5 | ||
6 | From: Linus Torvalds <torvalds@linux-foundation.org> | |
7 | ||
8 | commit 6f303d60534c46aa1a239f29c321f95c83dda748 upstream. | |
9 | ||
10 | We already did this for clang, but now gcc has that warning too. Yes, | |
11 | yes, the address may be unaligned. And that's kind of the point. | |
12 | ||
13 | Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | |
14 | Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
15 | ||
16 | --- | |
17 | Makefile | 2 +- | |
18 | 1 file changed, 1 insertion(+), 1 deletion(-) | |
19 | ||
20 | --- a/Makefile | |
21 | +++ b/Makefile | |
22 | @@ -650,6 +650,7 @@ KBUILD_CFLAGS += $(call cc-disable-warni | |
23 | KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation) | |
24 | KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow) | |
25 | KBUILD_CFLAGS += $(call cc-disable-warning, int-in-bool-context) | |
26 | +KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) | |
27 | KBUILD_CFLAGS += $(call cc-disable-warning, attribute-alias) | |
28 | ||
29 | ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE | |
30 | @@ -716,7 +717,6 @@ ifeq ($(cc-name),clang) | |
31 | KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) | |
32 | KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) | |
33 | KBUILD_CFLAGS += $(call cc-disable-warning, gnu) | |
34 | -KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) | |
35 | # Quiet clang warning: comparison of unsigned expression < 0 is always false | |
36 | KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare) | |
37 | # CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the |