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SubjectRe: [PATCH 02/17] sparc64: enable HAVE_COPY_THREAD_TLS
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From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Tue, 23 Jun 2020 01:43:11 +0200

> diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
> index db42b4fb3708..192f3a28a2b7 100644
> --- a/arch/sparc/kernel/syscalls.S
> +++ b/arch/sparc/kernel/syscalls.S
> @@ -86,19 +86,22 @@ sys32_rt_sigreturn:
> * during system calls...
> */
> .align 32
> -sys_vfork: /* Under Linux, vfork and fork are just special cases of clone. */
> - sethi %hi(0x4000 | 0x0100 | SIGCHLD), %o0
> - or %o0, %lo(0x4000 | 0x0100 | SIGCHLD), %o0
> - ba,pt %xcc, sys_clone
> +sys_vfork:
> + flushw
> + ba,pt %xcc, sparc_vfork
> + add %sp, PTREGS_OFF, %o0

Please indent branch delay slot instructions with one extra space, as
was done in the code you are changing.

> + ba,pt %xcc, sparc_fork
> + add %sp, PTREGS_OFF, %o0

Likewise.

> + ba,pt %xcc, sparc_clone
> + add %sp, PTREGS_OFF, %o0

Likewise.

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