Christos Zoulas wrote:

>> Without this patch, linux32 sendsig calls sendsig_reset() before
>> saving current signal mask, and we end up restoring to wrong mask
>> after the signal returns.
>>
>>
>> Index: compat/linux32/arch/amd64/linux32_machdep.c
>> ===================================================================
>> RCS file: /cvsroot/src/sys/compat/linux32/arch/amd64/linux32_machdep.c,v
>> retrieving revision 1.12
>> diff -r1.12 linux32_machdep.c
>> 248a249
>>>       linux32_save_ucontext(l, tf, mask, sas, &frame.sf_uc);
>> 251c252,256
>> <       linux32_save_ucontext(l, tf, mask, sas, &frame.sf_uc);
>>
> 
> This looks like only whitespace to me?

As the line numbers say it moves save_ucontext call a few
lines up, to happen before sendsig_reset, not afer. The
whitespace is artifact of the mailer I think.