[11/16] x86: prefer __section from compiler_attributes.h

Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Suggested-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
---
 arch/x86/include/asm/cache.h       | 2 +-
 arch/x86/include/asm/intel-mid.h   | 2 +-
 arch/x86/include/asm/iommu_table.h | 5 ++---
 arch/x86/include/asm/irqflags.h    | 2 +-
 arch/x86/include/asm/mem_encrypt.h | 2 +-
 arch/x86/kernel/cpu/cpu.h          | 3 +--
 6 files changed, 7 insertions(+), 9 deletions(-)

Nick,

On Mon, 12 Aug 2019, Nick Desaulniers wrote:

-ECHANGELOG_EMPTY

While I think I know the reason for this change, it's still usefull to have
some explanaiton of WHY this is preferred in the change log.

Thanks,

	tglx

On Mon, Aug 12, 2019 at 11:52 PM Nick Desaulniers
<ndesaulniers@google.com> wrote:
>
> Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
> Suggested-by: Josh Poimboeuf <jpoimboe@redhat.com>
> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>

Tested-by: Sedat Dilek <sedat.dilek@gmail.com> [ Linux v5.3-rc5 ]

Patchset "for-5.3/x86-section-name-escaping":

include/linux/compiler.h: remove unused KENTRY macro
include/linux: prefer __section from compiler_attributes.h
include/asm-generic: prefer __section from compiler_attributes.h
x86: prefer __section from compiler_attributes.h

Thanks.

- Sedat -

> ---
>  arch/x86/include/asm/cache.h       | 2 +-
>  arch/x86/include/asm/intel-mid.h   | 2 +-
>  arch/x86/include/asm/iommu_table.h | 5 ++---
>  arch/x86/include/asm/irqflags.h    | 2 +-
>  arch/x86/include/asm/mem_encrypt.h | 2 +-
>  arch/x86/kernel/cpu/cpu.h          | 3 +--
>  6 files changed, 7 insertions(+), 9 deletions(-)
>
> diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h
> index abe08690a887..bb9f4bf4ec02 100644
> --- a/arch/x86/include/asm/cache.h
> +++ b/arch/x86/include/asm/cache.h
> @@ -8,7 +8,7 @@
>  #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
>  #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
>
> -#define __read_mostly __attribute__((__section__(".data..read_mostly")))
> +#define __read_mostly __section(.data..read_mostly)
>
>  #define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT
>  #define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT)
> diff --git a/arch/x86/include/asm/intel-mid.h b/arch/x86/include/asm/intel-mid.h
> index 8e5af119dc2d..f51f04aefe1b 100644
> --- a/arch/x86/include/asm/intel-mid.h
> +++ b/arch/x86/include/asm/intel-mid.h
> @@ -43,7 +43,7 @@ struct devs_id {
>
>  #define sfi_device(i)                                                          \
>         static const struct devs_id *const __intel_mid_sfi_##i##_dev __used     \
> -       __attribute__((__section__(".x86_intel_mid_dev.init"))) = &i
> +       __section(.x86_intel_mid_dev.init) = &i
>
>  /**
>  * struct mid_sd_board_info - template for SD device creation
> diff --git a/arch/x86/include/asm/iommu_table.h b/arch/x86/include/asm/iommu_table.h
> index 1fb3fd1a83c2..7d190710eb92 100644
> --- a/arch/x86/include/asm/iommu_table.h
> +++ b/arch/x86/include/asm/iommu_table.h
> @@ -50,9 +50,8 @@ struct iommu_table_entry {
>
>  #define __IOMMU_INIT(_detect, _depend, _early_init, _late_init, _finish)\
>         static const struct iommu_table_entry                           \
> -               __iommu_entry_##_detect __used                          \
> -       __attribute__ ((unused, __section__(".iommu_table"),            \
> -                       aligned((sizeof(void *)))))     \
> +               __iommu_entry_##_detect __used __section(.iommu_table)  \
> +               __aligned((sizeof(void *)))                             \
>         = {_detect, _depend, _early_init, _late_init,                   \
>            _finish ? IOMMU_FINISH_IF_DETECTED : 0}
>  /*
> diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
> index 8a0e56e1dcc9..68db90bca813 100644
> --- a/arch/x86/include/asm/irqflags.h
> +++ b/arch/x86/include/asm/irqflags.h
> @@ -9,7 +9,7 @@
>  #include <asm/nospec-branch.h>
>
>  /* Provide __cpuidle; we can't safely include <linux/cpu.h> */
> -#define __cpuidle __attribute__((__section__(".cpuidle.text")))
> +#define __cpuidle __section(.cpuidle.text)
>
>  /*
>   * Interrupt control:
> diff --git a/arch/x86/include/asm/mem_encrypt.h b/arch/x86/include/asm/mem_encrypt.h
> index 0c196c47d621..db2cd3709148 100644
> --- a/arch/x86/include/asm/mem_encrypt.h
> +++ b/arch/x86/include/asm/mem_encrypt.h
> @@ -50,7 +50,7 @@ void __init mem_encrypt_free_decrypted_mem(void);
>  bool sme_active(void);
>  bool sev_active(void);
>
> -#define __bss_decrypted __attribute__((__section__(".bss..decrypted")))
> +#define __bss_decrypted __section(.bss..decrypted)
>
>  #else  /* !CONFIG_AMD_MEM_ENCRYPT */
>
> diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h
> index c0e2407abdd6..7ff9dc41a603 100644
> --- a/arch/x86/kernel/cpu/cpu.h
> +++ b/arch/x86/kernel/cpu/cpu.h
> @@ -38,8 +38,7 @@ struct _tlb_table {
>
>  #define cpu_dev_register(cpu_devX) \
>         static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
> -       __attribute__((__section__(".x86_cpu_dev.init"))) = \
> -       &cpu_devX;
> +       __section(.x86_cpu_dev.init) = &cpu_devX;
>
>  extern const struct cpu_dev *const __x86_cpu_dev_start[],
>                             *const __x86_cpu_dev_end[];
> --
> 2.23.0.rc1.153.gdeed80330f-goog
>