2023-09-27 22:04:12

by Alexey Dobriyan

Subject: [PATCH] x86: compile boot code with -std=gnu11 too

Use -std=gnu11 for consistency with main kernel code.

It doesn't seem to change anything in vmlinux.

Signed-off-by: Alexey Dobriyan <[email protected]>
---

arch/x86/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -43,7 +43,7 @@ endif

# How to compile the 16-bit code. Note we always compile for -march=i386;
# that way we can complain to the user if the CPU is insufficient.
-REALMODE_CFLAGS := -m16 -g -Os -DDISABLE_BRANCH_PROFILING -D__DISABLE_EXPORTS \
+REALMODE_CFLAGS := -std=gnu11 -m16 -g -Os -DDISABLE_BRANCH_PROFILING -D__DISABLE_EXPORTS \
-Wall -Wstrict-prototypes -march=i386 -mregparm=3 \
-fno-strict-aliasing -fomit-frame-pointer -fno-pic \
-mno-mmx -mno-sse $(call cc-option,-fcf-protection=none)

2023-09-28 03:30:27

by H. Peter Anvin

Subject: Re: [PATCH] x86: compile boot code with -std=gnu11 too

On September 27, 2023 8:42:11 AM PDT, Alexey Dobriyan <[email protected]> wrote:
>Use -std=gnu11 for consistency with main kernel code.
>
>It doesn't seem to change anything in vmlinux.
>
>Signed-off-by: Alexey Dobriyan <[email protected]>
>---
>
> arch/x86/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>--- a/arch/x86/Makefile
>+++ b/arch/x86/Makefile
>@@ -43,7 +43,7 @@ endif
>
> # How to compile the 16-bit code. Note we always compile for -march=i386;
> # that way we can complain to the user if the CPU is insufficient.
>-REALMODE_CFLAGS := -m16 -g -Os -DDISABLE_BRANCH_PROFILING -D__DISABLE_EXPORTS \
>+REALMODE_CFLAGS := -std=gnu11 -m16 -g -Os -DDISABLE_BRANCH_PROFILING -D__DISABLE_EXPORTS \
> -Wall -Wstrict-prototypes -march=i386 -mregparm=3 \
> -fno-strict-aliasing -fomit-frame-pointer -fno-pic \
> -mno-mmx -mno-sse $(call cc-option,-fcf-protection=none)

Acked-by: H. Peter Anvin (Intel) <[email protected]>

2023-09-28 11:21:54

by tip-bot2 for Boqun Feng

Subject: [tip: x86/boot] x86/boot: Compile boot code with -std=gnu11 too

The following commit has been merged into the x86/boot branch of tip:

Commit-ID: b3bee1e7c3f2b1b77182302c7b2131c804175870
Gitweb: https://git.kernel.org/tip/b3bee1e7c3f2b1b77182302c7b2131c804175870
Author: Alexey Dobriyan <[email protected]>
AuthorDate: Wed, 27 Sep 2023 18:42:11 +03:00
Committer: Ingo Molnar <[email protected]>
CommitterDate: Thu, 28 Sep 2023 10:11:27 +02:00

x86/boot: Compile boot code with -std=gnu11 too

Use -std=gnu11 for consistency with main kernel code.

It doesn't seem to change anything in vmlinux.

Signed-off-by: Alexey Dobriyan <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: H. Peter Anvin (Intel) <[email protected]>
Link: https://lore.kernel.org/r/2058761e-12a4-4b2f-9690-3c3c1c9902a5@p183
---
arch/x86/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 5bfe5ca..776331f 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -43,7 +43,7 @@ endif

# How to compile the 16-bit code. Note we always compile for -march=i386;
# that way we can complain to the user if the CPU is insufficient.
-REALMODE_CFLAGS := -m16 -g -Os -DDISABLE_BRANCH_PROFILING -D__DISABLE_EXPORTS \
+REALMODE_CFLAGS := -std=gnu11 -m16 -g -Os -DDISABLE_BRANCH_PROFILING -D__DISABLE_EXPORTS \
-Wall -Wstrict-prototypes -march=i386 -mregparm=3 \
-fno-strict-aliasing -fomit-frame-pointer -fno-pic \
-mno-mmx -mno-sse $(call cc-option,-fcf-protection=none)