Re: [PATCH][GIT PULL][for 2.6.35] tracing: Add alignment to syscall metadata declarations
From: Linus Torvalds
Date: Fri Jul 09 2010 - 17:26:31 EST
On Fri, Jul 9, 2010 at 1:33 PM, Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:
>
> Something like this:
> (whitespace damaged)
> diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
> index 48c5299..64430d3 100644
> --- a/include/asm-generic/vmlinux.lds.h
> +++ b/include/asm-generic/vmlinux.lds.h
> @@ -133,7 +133,8 @@
> #endif
>
> #ifdef CONFIG_FTRACE_SYSCALLS
> -#define TRACE_SYSCALLS() VMLINUX_SYMBOL(__start_syscalls_metadata) = .; \
> +#define TRACE_SYSCALLS() . = ALIGN(8); \
> + VMLINUX_SYMBOL(__start_syscalls_metadata) = .; \
> *(__syscalls_metadata) \
> VMLINUX_SYMBOL(__stop_syscalls_metadata) = .;
> #else
If this is confirmed to fix it, then I would much prefer this version.
That said, I do wonder whether we shouldn't do the ALIGN(8) in the
DATA_DATA define instead. That's what we do for other things like this
(start_markers, start__verbose, etc etc)
Linus
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