Re: [PATCH] ftrace, powerpc64: fix math to calculate offset in TOC
From: Geoff Levand
Date: Mon Feb 09 2009 - 15:16:39 EST
Steven Rostedt wrote:
> I found the bug that was causing large modules to fail in setting
> up dynamic ftrace. It wound up being a simple math error. To calculate
> the offset in the TOC, I had used an OR, but the bottom half was
> a signed extended short, and it should have been an addition.
> The fix is in my tree below, as well as posted here.
> ----
> arch/powerpc/kernel/ftrace.c | 5 +++--
> 1 files changed, 3 insertions(+), 2 deletions(-)
I tested this on PS3 with CONFIG_FTRACE_SELFTEST=y and
CONFIG_FTRACE_SELFTEST=y, and all modules now load and
the system seems to work properly. I did not run any
tracer specific tests though.
Acked-by: Geoff Levand <geoffrey.levand@xxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/