Re: [PATCH v2 07/29] ARM: add kexec_file_load system call number

Catalin Marinas
2019-01-25T15:43:59Z

On Fri, Jan 18, 2019 at 05:18:13PM +0100, Arnd Bergmann wrote:
> diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl
> index 86de9eb34296..20ed7e026723 100644
> --- a/arch/arm/tools/syscall.tbl
> +++ b/arch/arm/tools/syscall.tbl
> @@ -415,3 +415,4 @@
> 398 common rseq sys_rseq
> 399 common io_pgetevents sys_io_pgetevents
> 400 common migrate_pages sys_migrate_pages
> +401 common kexec_file_load sys_kexec_file_load

I presume on arm32 this would still return -ENOSYS.

> diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
> index 261216c3336e..2c30e6f145ff 100644
> --- a/arch/arm64/include/asm/unistd.h
> +++ b/arch/arm64/include/asm/unistd.h
> @@ -44,7 +44,7 @@
> #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5)
> #define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800)
>
> -#define __NR_compat_syscalls 401
> +#define __NR_compat_syscalls 402
> #endif
>
> #define __ARCH_WANT_SYS_CLONE
> diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
> index f15bcbacb8f6..8ca1d4c304f4 100644
> --- a/arch/arm64/include/asm/unistd32.h
> +++ b/arch/arm64/include/asm/unistd32.h
> @@ -823,6 +823,8 @@ __SYSCALL(__NR_rseq, sys_rseq)
> __SYSCALL(__NR_io_pgetevents, compat_sys_io_pgetevents)
> #define __NR_migrate_pages 400
> __SYSCALL(__NR_migrate_pages, compat_sys_migrate_pages)
> +#define __NR_kexec_file_load 401
> +__SYSCALL(__NR_kexec_file_load, sys_kexec_file_load)

For arm64:

Acked-by: Catalin Marinas <catalin.marinas@arm.com>