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From: Ingo Molnar <>
To: Roland McGrath <>
Cc: Thomas Gleixner <>,
	Andrew Morton <>,
Subject: Re: [PATCH] x86 handle_vm86_trap cleanup
Date: Sat, 22 Mar 2008 12:17:29 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <20080322035357.4B43326F992@magilla.localdomain>

* Roland McGrath <> wrote:

> > for the record, this also changes semantics, because previously we'd 
> > permanently unblock SIGTRAP (most certainly as a hack, to be able to 
> > do the send_sig()), while now we use force_sig() which just ignores 
> > the blocked mask. (and i agree with your fix of course)
> That's not so.  force_sig_info (called by force_sig) removes the 
> signal from the blocked set too.  That is the only way to get the 
> signal ever to be dequeued.

ah, indeed, i missed that :)


      reply	other threads:[~2008-03-22 11:17 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-17  9:21 Roland McGrath
2008-03-21 10:39 ` Ingo Molnar
2008-03-22  3:53   ` Roland McGrath
2008-03-22 11:17     ` Ingo Molnar [this message]

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