On 01/18/2013 04:25 PM, Steven Rostedt wrote:
> On Wed, 2013-01-09 at 18:09 -0500, Sasha Levin wrote:
>> Modify the parameters of all the lookup and the bookkeeping functions which
>> should be const to const.
>>
>> For example, jump_label_text_reserved() doesn't modify the memory it works on,
>> it just checks whether there are any jump labels there.
>
> This is dependent on the module patch, which Rusty is taking. I need to
> see that he has it before this can go in. At least see it in linux-next.
>
> Also, you should have Cc'd the linux-arch mailing list. I'll send it
> there.
>
>>
>> Note I couldn't test the non-x86 architectures, but the changes are rather
>> trivial.
>
> I ran it on 25 archs, and s390 hit:
>
> /work/autotest/nobackup/cross-linux.git/arch/s390/kernel/jump_label.c: In function 'arch_jump_label_transform':
> /work/autotest/nobackup/cross-linux.git/arch/s390/kernel/jump_label.c:58:13: warning: assignment discards 'const' qualifier from pointer target type [enabled by default]
>
> -- Steve
>
> Here's the patch:
>
> Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
>
> diff --git a/arch/s390/kernel/jump_label.c
> b/arch/s390/kernel/jump_label.c
> index 85fa643..ef047ef 100644
> --- a/arch/s390/kernel/jump_label.c
> +++ b/arch/s390/kernel/jump_label.c
> @@ -18,7 +18,7 @@ struct insn {
> } __packed;
>
> struct insn_args {
> - struct jump_entry *entry;
> + const struct jump_entry *entry;
> enum jump_label_type type;
> };
>
Sorry about this. I didn't have the ability to build all arches over here :(
Would you like me to resend this patch with your fix?
Thanks,
Sasha
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