Jason,
This check
atomic_read(cpu_doing_single_step) != -1
may result in a loss of debug events on other cpus
Changing it to
atomic_read(cpu_doing_single_step) == raw_smp_processor_id()
corrects that problem
I see that you've checked in this change. Would you mind waiting for 24 hours
after
-Original Message-
From: Amit S. Kale [mailto:[EMAIL PROTECTED]
Sent: Wednesday, May 16, 2007 4:19 AM
To: Wessel, Jason
Cc: kgdb-bugreport@lists.sourceforge.net; Sergei Shtylyov; Tom Rini
Subject: Re: [PATCH] Fix singlestep exception kernel-user
x86_64 and ia32
Jason,
I solved the GPF problem I mentioned in an earlier e-mail (see the
information below the first patch).
The patch below is needed so the single step exception bits are
cleared. It was easiest to use the predefined handler exception routine
to do the
work of executing the continue if the KGDB
