On Fri, Jun 6, 2025 at 1:31 PM Thomas Huth <[email protected]> wrote:
>
> On 06/06/2025 04.23, Guo Ren wrote:
> > On Fri, Jun 6, 2025 at 2:28 AM Thomas Huth <[email protected]> wrote:
> >>
> >> On 14/03/2025 08.09, Thomas Huth wrote:
> >>> While the GCC and Clang compilers already define __ASSEMBLER__
> >>> automatically when compiling assembly code, __ASSEMBLY__ is a
> >>> macro that only gets defined by the Makefiles in the kernel.
> >>> This can be very confusing when switching between userspace
> >>> and kernelspace coding, or when dealing with uapi headers that
> >>> rather should use __ASSEMBLER__ instead. So let's standardize on
> >>> the __ASSEMBLER__ macro that is provided by the compilers now.
> >>>
> >>> This is a completely mechanical patch (done with a simple "sed -i"
> >>> statement).
> >>>
> >>> Cc: Guo Ren <[email protected]>
> >>> Cc: [email protected]
> >>> Signed-off-by: Thomas Huth <[email protected]>
> >>> ---
> >>>    arch/csky/abiv1/inc/abi/regdef.h    | 2 +-
> >>>    arch/csky/abiv2/inc/abi/regdef.h    | 2 +-
> >>>    arch/csky/include/asm/barrier.h     | 4 ++--
> >>>    arch/csky/include/asm/cache.h       | 2 +-
> >>>    arch/csky/include/asm/ftrace.h      | 4 ++--
> >>>    arch/csky/include/asm/jump_label.h  | 4 ++--
> >>>    arch/csky/include/asm/page.h        | 4 ++--
> >>>    arch/csky/include/asm/ptrace.h      | 4 ++--
> >>>    arch/csky/include/asm/string.h      | 2 +-
> >>>    arch/csky/include/asm/thread_info.h | 4 ++--
> >>>    10 files changed, 16 insertions(+), 16 deletions(-)
> >>>
> >>> diff --git a/arch/csky/abiv1/inc/abi/regdef.h 
> >>> b/arch/csky/abiv1/inc/abi/regdef.h
> >>> index 7b386fd670702..c75ecf2cafd7c 100644
> >>> --- a/arch/csky/abiv1/inc/abi/regdef.h
> >>> +++ b/arch/csky/abiv1/inc/abi/regdef.h
> >>> @@ -3,7 +3,7 @@
> >>>    #ifndef __ASM_CSKY_REGDEF_H
> >>>    #define __ASM_CSKY_REGDEF_H
> >>>
> >>> -#ifdef __ASSEMBLY__
> >>> +#ifdef __ASSEMBLER__
> >>>    #define syscallid   r1
> >>>    #else
> >>>    #define syscallid   "r1"
> >>> diff --git a/arch/csky/abiv2/inc/abi/regdef.h 
> >>> b/arch/csky/abiv2/inc/abi/regdef.h
> >>> index 0933addbc27b7..fc08d56ccdbe1 100644
> >>> --- a/arch/csky/abiv2/inc/abi/regdef.h
> >>> +++ b/arch/csky/abiv2/inc/abi/regdef.h
> >>> @@ -3,7 +3,7 @@
> >>>    #ifndef __ASM_CSKY_REGDEF_H
> >>>    #define __ASM_CSKY_REGDEF_H
> >>>
> >>> -#ifdef __ASSEMBLY__
> >>> +#ifdef __ASSEMBLER__
> >>>    #define syscallid   r7
> >>>    #else
> >>>    #define syscallid   "r7"
> >>> diff --git a/arch/csky/include/asm/barrier.h 
> >>> b/arch/csky/include/asm/barrier.h
> >>> index 15de58b10aece..c33fdcfe3770c 100644
> >>> --- a/arch/csky/include/asm/barrier.h
> >>> +++ b/arch/csky/include/asm/barrier.h
> >>> @@ -3,7 +3,7 @@
> >>>    #ifndef __ASM_CSKY_BARRIER_H
> >>>    #define __ASM_CSKY_BARRIER_H
> >>>
> >>> -#ifndef __ASSEMBLY__
> >>> +#ifndef __ASSEMBLER__
> >>>
> >>>    #define nop()       asm volatile ("nop\n":::"memory")
> >>>
> >>> @@ -84,5 +84,5 @@
> >>>
> >>>    #include <asm-generic/barrier.h>
> >>>
> >>> -#endif /* __ASSEMBLY__ */
> >>> +#endif /* __ASSEMBLER__ */
> >>>    #endif /* __ASM_CSKY_BARRIER_H */
> >>> diff --git a/arch/csky/include/asm/cache.h b/arch/csky/include/asm/cache.h
> >>> index 4b5c09bf1d25e..d575482e0fcec 100644
> >>> --- a/arch/csky/include/asm/cache.h
> >>> +++ b/arch/csky/include/asm/cache.h
> >>> @@ -10,7 +10,7 @@
> >>>
> >>>    #define ARCH_DMA_MINALIGN   L1_CACHE_BYTES
> >>>
> >>> -#ifndef __ASSEMBLY__
> >>> +#ifndef __ASSEMBLER__
> >>>
> >>>    void dcache_wb_line(unsigned long start);
> >>>
> >>> diff --git a/arch/csky/include/asm/ftrace.h 
> >>> b/arch/csky/include/asm/ftrace.h
> >>> index 00f9f7647e3f3..21532f2180587 100644
> >>> --- a/arch/csky/include/asm/ftrace.h
> >>> +++ b/arch/csky/include/asm/ftrace.h
> >>> @@ -11,7 +11,7 @@
> >>>
> >>>    #define MCOUNT_ADDR ((unsigned long)_mcount)
> >>>
> >>> -#ifndef __ASSEMBLY__
> >>> +#ifndef __ASSEMBLER__
> >>>
> >>>    extern void _mcount(unsigned long);
> >>>
> >>> @@ -28,5 +28,5 @@ struct dyn_arch_ftrace {
> >>>    void prepare_ftrace_return(unsigned long *parent, unsigned long 
> >>> self_addr,
> >>>                           unsigned long frame_pointer);
> >>>
> >>> -#endif /* !__ASSEMBLY__ */
> >>> +#endif /* !__ASSEMBLER__ */
> >>>    #endif /* __ASM_CSKY_FTRACE_H */
> >>> diff --git a/arch/csky/include/asm/jump_label.h 
> >>> b/arch/csky/include/asm/jump_label.h
> >>> index ef2e37a10a0fe..603b0caa80249 100644
> >>> --- a/arch/csky/include/asm/jump_label.h
> >>> +++ b/arch/csky/include/asm/jump_label.h
> >>> @@ -3,7 +3,7 @@
> >>>    #ifndef __ASM_CSKY_JUMP_LABEL_H
> >>>    #define __ASM_CSKY_JUMP_LABEL_H
> >>>
> >>> -#ifndef __ASSEMBLY__
> >>> +#ifndef __ASSEMBLER__
> >>>
> >>>    #include <linux/types.h>
> >>>
> >>> @@ -48,5 +48,5 @@ void arch_jump_label_transform_static(struct jump_entry 
> >>> *entry,
> >>>                                      enum jump_label_type type);
> >>>    #define arch_jump_label_transform_static 
> >>> arch_jump_label_transform_static
> >>>
> >>> -#endif  /* __ASSEMBLY__ */
> >>> +#endif  /* __ASSEMBLER__ */
> >>>    #endif      /* __ASM_CSKY_JUMP_LABEL_H */
> >>> diff --git a/arch/csky/include/asm/page.h b/arch/csky/include/asm/page.h
> >>> index 4911d0892b71d..76774dbce8697 100644
> >>> --- a/arch/csky/include/asm/page.h
> >>> +++ b/arch/csky/include/asm/page.h
> >>> @@ -26,7 +26,7 @@
> >>>
> >>>    #define PHYS_OFFSET_OFFSET (CONFIG_DRAM_BASE & (SSEG_SIZE - 1))
> >>>
> >>> -#ifndef __ASSEMBLY__
> >>> +#ifndef __ASSEMBLER__
> >>>
> >>>    #include <linux/pfn.h>
> >>>
> >>> @@ -84,5 +84,5 @@ static inline unsigned long virt_to_pfn(const void 
> >>> *kaddr)
> >>>    #include <asm-generic/memory_model.h>
> >>>    #include <asm-generic/getorder.h>
> >>>
> >>> -#endif /* !__ASSEMBLY__ */
> >>> +#endif /* !__ASSEMBLER__ */
> >>>    #endif /* __ASM_CSKY_PAGE_H */
> >>> diff --git a/arch/csky/include/asm/ptrace.h 
> >>> b/arch/csky/include/asm/ptrace.h
> >>> index 0634b7895d81d..5f01839e11843 100644
> >>> --- a/arch/csky/include/asm/ptrace.h
> >>> +++ b/arch/csky/include/asm/ptrace.h
> >>> @@ -8,7 +8,7 @@
> >>>    #include <linux/types.h>
> >>>    #include <linux/compiler.h>
> >>>
> >>> -#ifndef __ASSEMBLY__
> >>> +#ifndef __ASSEMBLER__
> >>>
> >>>    #define PS_S        0x80000000 /* Supervisor Mode */
> >>>
> >>> @@ -98,5 +98,5 @@ static inline unsigned long regs_get_register(struct 
> >>> pt_regs *regs,
> >>>
> >>>    asmlinkage int syscall_trace_enter(struct pt_regs *regs);
> >>>    asmlinkage void syscall_trace_exit(struct pt_regs *regs);
> >>> -#endif /* __ASSEMBLY__ */
> >>> +#endif /* __ASSEMBLER__ */
> >>>    #endif /* __ASM_CSKY_PTRACE_H */
> >>> diff --git a/arch/csky/include/asm/string.h 
> >>> b/arch/csky/include/asm/string.h
> >>> index a0d81e9d6b8f6..82e99f52b547c 100644
> >>> --- a/arch/csky/include/asm/string.h
> >>> +++ b/arch/csky/include/asm/string.h
> >>> @@ -3,7 +3,7 @@
> >>>    #ifndef _CSKY_STRING_MM_H_
> >>>    #define _CSKY_STRING_MM_H_
> >>>
> >>> -#ifndef __ASSEMBLY__
> >>> +#ifndef __ASSEMBLER__
> >>>    #include <linux/types.h>
> >>>    #include <linux/compiler.h>
> >>>    #include <abi/string.h>
> >>> diff --git a/arch/csky/include/asm/thread_info.h 
> >>> b/arch/csky/include/asm/thread_info.h
> >>> index b5ed788f0c681..fdd4f8ad45acf 100644
> >>> --- a/arch/csky/include/asm/thread_info.h
> >>> +++ b/arch/csky/include/asm/thread_info.h
> >>> @@ -3,7 +3,7 @@
> >>>    #ifndef _ASM_CSKY_THREAD_INFO_H
> >>>    #define _ASM_CSKY_THREAD_INFO_H
> >>>
> >>> -#ifndef __ASSEMBLY__
> >>> +#ifndef __ASSEMBLER__
> >>>
> >>>    #include <asm/types.h>
> >>>    #include <asm/page.h>
> >>> @@ -51,7 +51,7 @@ static inline struct thread_info 
> >>> *current_thread_info(void)
> >>>        return (struct thread_info *)(sp & ~(THREAD_SIZE - 1));
> >>>    }
> >>>
> >>> -#endif /* !__ASSEMBLY__ */
> >>> +#endif /* !__ASSEMBLER__ */
> >>>
> >>>    #define TIF_SIGPENDING              0       /* signal pending */
> >>>    #define TIF_NOTIFY_RESUME   1       /* callback before returning to 
> >>> user */
> >>
> >> Friendly ping!
> >>
> >> Guo Ren, could you maybe pick this (and the previous patch) up via your 
> >> csky
> >> tree? (x86 and parisc already got merge via their respective architecture
> >> trees, so I guess the same should happen for this patch here, too).
> >>
> >>    Thanks,
> >>     Thomas
> >>
> > How about riscv?
>
> The riscv patch
> (https://lore.kernel.org/all/[email protected]/)
> needs a rebase since it does not apply cleanly anymore. I'll try to do that
> in the next couple of days.
Thanks for the info, I would take the patch after the other
architecture is approved. It's not a rush job.

>
>   Thomas
>


-- 
Best Regards
 Guo Ren

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