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SubjectRe: [PATCH v7 15/22] parisc: define syscall_get_error()
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On 28.02.19 20:38, Dmitry V. Levin wrote:
> syscall_get_error() is required to be implemented on all
> architectures in addition to already implemented syscall_get_nr(),
> syscall_get_arguments(), syscall_get_return_value(), and
> syscall_get_arch() functions in order to extend the generic
> ptrace API with PTRACE_GET_SYSCALL_INFO request.
>
> Cc: Helge Deller <deller@gmx.de>
> Cc: James E.J. Bottomley <jejb@parisc-linux.org>
> Cc: Oleg Nesterov <oleg@redhat.com>
> Cc: Andy Lutomirski <luto@kernel.org>
> Cc: Elvira Khabirova <lineprinter@altlinux.org>
> Cc: Eugene Syromyatnikov <esyr@redhat.com>
> Cc: linux-parisc@vger.kernel.org
> Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>

Acked-by: Helge Deller <deller@gmx.de> # parisc

Helge


> ---
>
> This is just a gentle ping, the patch is unchanged.
>
> Notes:
> v7: unchanged
> v6: unchanged
> v5: initial revision
>
> arch/parisc/include/asm/syscall.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/parisc/include/asm/syscall.h b/arch/parisc/include/asm/syscall.h
> index 8bff1a58c97f..477511ff7546 100644
> --- a/arch/parisc/include/asm/syscall.h
> +++ b/arch/parisc/include/asm/syscall.h
> @@ -43,6 +43,13 @@ static inline void syscall_get_arguments(struct task_struct *tsk,
> }
> }
>
> +static inline long syscall_get_error(struct task_struct *task,
> + struct pt_regs *regs)
> +{
> + unsigned long error = regs->gr[28];
> + return IS_ERR_VALUE(error) ? error : 0;
> +}
> +
> static inline long syscall_get_return_value(struct task_struct *task,
> struct pt_regs *regs)
> {
>

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