Re: [PATCH v2] blackfin: Wire up missing syscalls

[Steven Miao]

Applied. Thanks.

On Mon, Apr 13, 2015 at 10:02 PM, Chen Gang <xili_gchen_5257@xxxxxxxxxxx> wrote:
> The related syscalls are below which may cause samples/kdbus building
> break in next-20150401 tree, the related information and error:
>
>     CALL    scripts/checksyscalls.sh
>   <stdin>:1223:2: warning: #warning syscall kcmp not implemented [-Wcpp]
>   <stdin>:1226:2: warning: #warning syscall finit_module not implemented [-Wcpp]
>   <stdin>:1229:2: warning: #warning syscall sched_setattr not implemented [-Wcpp]
>   <stdin>:1232:2: warning: #warning syscall sched_getattr not implemented [-Wcpp]
>   <stdin>:1235:2: warning: #warning syscall renameat2 not implemented [-Wcpp]
>   <stdin>:1238:2: warning: #warning syscall seccomp not implemented [-Wcpp]
>   <stdin>:1241:2: warning: #warning syscall getrandom not implemented [-Wcpp]
>   <stdin>:1244:2: warning: #warning syscall memfd_create not implemented [-Wcpp]
>   <stdin>:1247:2: warning: #warning syscall bpf not implemented [-Wcpp]
>   <stdin>:1250:2: warning: #warning syscall execveat not implemented [-Wcpp]
>   [...]
>     HOSTCC  samples/kdbus/kdbus-workers
>   samples/kdbus/kdbus-workers.c: In function âprime_newâ:
>   samples/kdbus/kdbus-workers.c:930:18: error: â__NR_memfd_createâ undeclared (first use in this function)
>     p->fd = syscall(__NR_memfd_create, "prime-area", MFD_CLOEXEC);
>                     ^
>   samples/kdbus/kdbus-workers.c:930:18: note: each undeclared identifier is reported only once for each function it appears in
>
> Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx>
> ---
>  arch/blackfin/include/uapi/asm/unistd.h | 12 +++++++++++-
>  arch/blackfin/mach-common/entry.S       | 10 ++++++++++
>  2 files changed, 21 insertions(+), 1 deletion(-)
>
> diff --git a/arch/blackfin/include/uapi/asm/unistd.h b/arch/blackfin/include/uapi/asm/unistd.h
> index a451164..0cb9078 100644
> --- a/arch/blackfin/include/uapi/asm/unistd.h
> +++ b/arch/blackfin/include/uapi/asm/unistd.h
> @@ -401,8 +401,18 @@
>  #define __NR_sendmmsg          380
>  #define __NR_process_vm_readv  381
>  #define __NR_process_vm_writev 382
> +#define __NR_kcmp              383
> +#define __NR_finit_module      384
> +#define __NR_sched_setattr     385
> +#define __NR_sched_getattr     386
> +#define __NR_renameat2         387
> +#define __NR_seccomp           388
> +#define __NR_getrandom         389
> +#define __NR_memfd_create      390
> +#define __NR_bpf               391
> +#define __NR_execveat          392
>
> -#define __NR_syscall           383
> +#define __NR_syscall           393  /* For internal using, not implemented */
>  #define NR_syscalls            __NR_syscall
>
>  /* Old optional stuff no one actually uses */
> diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
> index 86b5a09..8d9431e 100644
> --- a/arch/blackfin/mach-common/entry.S
> +++ b/arch/blackfin/mach-common/entry.S
> @@ -1694,6 +1694,16 @@ ENTRY(_sys_call_table)
>         .long _sys_sendmmsg             /* 380 */
>         .long _sys_process_vm_readv
>         .long _sys_process_vm_writev
> +       .long _sys_kcmp
> +       .long _sys_finit_module
> +       .long _sys_sched_setattr        /* 385 */
> +       .long _sys_sched_getattr
> +       .long _sys_renameat2
> +       .long _sys_seccomp
> +       .long _sys_getrandom
> +       .long _sys_memfd_create         /* 390 */
> +       .long _sys_bpf
> +       .long _sys_execveat
>
>         .rept NR_syscalls-(.-_sys_call_table)/4
>         .long _sys_ni_syscall
> --
> 1.9.3
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