From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: RE: [patch] ia64: fix potential NaT bit error for sys_pipe().
Date: Mon, 24 Jan 2005 19:17:59 +0000 [thread overview]
Message-ID: <16885.18919.810421.804200@napali.hpl.hp.com> (raw)
In-Reply-To: <16878.2168.388519.26567@napali.hpl.hp.com>
>>>>> On Thu, 20 Jan 2005 19:32:48 -0800, "Chen, Kenneth W" <kenneth.w.chen@intel.com> said:
Ken> We would rather not to change THREAD_FLAGS_TO_CLEAR definition.
Ken> mfh bit in child pt_regs is cleared right above where the
Ken> comment is. I think it is better as is so that child thread
Ken> fph partition stays invalidated.
Sorry, I was a bit in a rush when I typed that mail and made some
errors as a result. I think what you propose is reasonable, since
just clearing PSR.MFH will take care of avoiding needless
context-switching of f32-f127. However, I think it'd still be
worthwhile to update the comment in copy_thread() to reflect this
thinking (basically, the paragraph starting with "XXX" would have to
be updated).
--david
next prev parent reply other threads:[~2005-01-24 19:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-19 7:12 [patch] ia64: fix potential NaT bit error for sys_pipe() David Mosberger
2005-01-20 17:52 ` David Mosberger
2005-01-20 19:00 ` Seth, Rohit
2005-01-20 23:22 ` Seth, Rohit
2005-01-20 23:51 ` David Mosberger
2005-01-21 3:32 ` Chen, Kenneth W
2005-01-21 18:48 ` Chen, Kenneth W
2005-01-24 6:40 ` David Mosberger
2005-01-24 19:17 ` David Mosberger [this message]
2005-01-24 19:32 ` Chen, Kenneth W
2005-01-24 19:43 ` David Mosberger
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