From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org, Srinivasa D S <srinivasa@in.ibm.com>
Subject: Re: [RFC] [PATCH] task_pt_regs for powerpc systems
Date: Mon, 14 Jul 2008 08:40:03 +1000 [thread overview]
Message-ID: <1215988803.7549.214.camel@pasglop> (raw)
In-Reply-To: <18554.33417.542066.185326@cargo.ozlabs.ibm.com>
On Mon, 2008-07-14 at 08:32 +1000, Paul Mackerras wrote:
> Srinivasa D S writes:
>
> > task_pt_regs() macro defines pt_regs for the given task, this macro is
> > currently not defined for powerpc arch. We need this macro for
> > upcoming utrace features.
> > Below attached patch defines this macro for powerpc arch. Please let
> > me know your comments on this.
>
> > +#define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.regs)
>
> The cast is unnecessary since tsk->thread.regs is already a struct
> pt_regs *. Also note that tsk->thread.regs will be NULL for a kernel
> thread.
Hrm.. I stuck that one in powerpc master, but not yet in next. Wonder if
I should back it out, sounds like a minor issue.
Ben.
next prev parent reply other threads:[~2008-07-13 22:40 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-07 14:22 [RFC] [PATCH] task_pt_regs for powerpc systems Srinivasa D S
2008-07-08 6:21 ` Benjamin Herrenschmidt
2008-07-13 22:32 ` Paul Mackerras
2008-07-13 22:40 ` Benjamin Herrenschmidt [this message]
2008-07-14 8:31 ` Srinivasa D S
2008-07-14 9:06 ` Benjamin Herrenschmidt
2008-07-15 9:06 ` Srinivasa D S
2008-07-15 9:15 ` Benjamin Herrenschmidt
2008-07-15 10:30 ` Srinivasa DS
2008-07-15 10:37 ` Benjamin Herrenschmidt
2008-07-14 17:21 ` Timur Tabi
2008-07-14 17:36 ` Andreas Schwab
2008-07-15 9:21 ` Srinivasa D S
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