Re: [PATCH] x86: Fix build warnings about export.h

[Naman Jain]

On 6/12/2025 3:00 PM, Zhenghan Cheng wrote:
> After commit a934a57a42f64a4 ("scripts/misc-check:
> check missing #include <linux/export.h> when W=1")
> and commit 7d95680d64ac8e836c ("scripts/misc-check:
> check unnecessary #include <linux/export.h> when W=1"),
> we get some build warnings with W=1,such as:
>
> arch/x86/coco/sev/core.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
> arch/x86/crypto/aria_aesni_avx2_glue.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
> arch/x86/kernel/unwind_orc.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
> arch/x86/kvm/hyperv.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
> arch/x86/events/intel/core.c: warning: EXPORT_SYMBOL() is not used, but #include <linux/export.h> is present
> arch/x86/events/zhaoxin/core.c: warning: EXPORT_SYMBOL() is not used, but #include <linux/export.h> is present
> arch/x86/kernel/crash.c: warning: EXPORT_SYMBOL() is not used, but #include <linux/export.h> is present
> arch/x86/kernel/devicetree.c: warning: EXPORT_SYMBOL() is not used, but #include <linux/export.h> is present
>
> so fix these build warnings for x86.
>
> Signed-off-by: "Zhenghan Cheng" <chengzhenghan@xxxxxxxxxxxxx>
> Suggested-by: "Huacai Chen" <chenhuacai@xxxxxxxxxxx>


Thanks for sharing.

FYI, I sent a patch to fix these warnings in Hyper-V related drivers
here:
https://lore.kernel.org/all/20250611100459.92900-1-namjain@xxxxxxxxxxxxxxxxxxx/

Some of the files are common to the ones in your patch.

Regards,
Naman