On Tue, Apr 29, 2014 at 05:13:21PM +1000, Stephen Rothwell wrote:
> Hi Andrew,
>
> After merging the akpm tree, today's linux-next build (sparc64 defconfig)
> failed like this:
>
> arch/sparc/kernel/process_64.c: In function 'arch_trigger_all_cpu_backtrace':
> arch/sparc/kernel/process_64.c:267:3: error: ISO C90 forbids mixed declarations and code [-Werror=declaration-after-statement]
> cc1: all warnings being treated as errors
>
> Caused by commit dd0063a16aa1 ("nmi: provide the option to issue an NMI
> back trace to every cpu but current").
>
> I have no idea why I did not see this yesterday.
>
> I applied the following fix up patch:
I apologize for that. The downsides of making changes without having a
cross compiler. Thanks for the fixup!
Cheers,
Don
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Tue, 29 Apr 2014 17:10:00 +1000
> Subject: [PATCH] nmi-provide-the-option-to-issue-an-nmi-back-trace-to-every-cpu-but-current-fix
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> arch/sparc/kernel/process_64.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
> index 65b405c36421..9975a6dbca0a 100644
> --- a/arch/sparc/kernel/process_64.c
> +++ b/arch/sparc/kernel/process_64.c
> @@ -261,10 +261,12 @@ void arch_trigger_all_cpu_backtrace(bool include_self)
> smp_fetch_global_regs();
>
> for_each_online_cpu(cpu) {
> + struct global_reg_snapshot *gp;
> +
> if (!include_self && cpu == this_cpu)
> continue;
>
> - struct global_reg_snapshot *gp = &global_cpu_snapshot[cpu].reg;
> + gp = &global_cpu_snapshot[cpu].reg;
>
> __global_reg_poll(gp);
>
> --
> 2.0.0.rc0
>
> --
> Cheers,
> Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
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