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From: Will Schmidt <will_schmidt@vnet.ibm.com>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: Greg Kroah-Hartman <greg@kroah.com>,
	linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>,
	Olof Johannsson <olof@lixom.net>,
	linux-pci@atrey.karlin.mff.cuni.cz
Subject: Re: [PATCH 4/7] MPIC MSI allocator
Date: Thu, 11 Jan 2007 11:19:41 -0600	[thread overview]
Message-ID: <1168535981.18021.50.camel@localhost> (raw)
In-Reply-To: <265e85080dc6d43eed2a42d06412eb92@kernel.crashing.org>

On Thu, 2007-11-01 at 16:14 +0100, Segher Boessenkool wrote:
> > +	msi_debug("found U3, guessing msi allocator setup\n");
> > +
> > +	/* Reserve source numbers we know are reserved in the HW */
> > +	for (i = 0;   i < 8;   i++) __mpic_msi_reserve_hwirq(mpic, i);
> > +	for (i = 42;  i < 46;  i++) __mpic_msi_reserve_hwirq(mpic, i);
> > +	for (i = 100; i < 105; i++) __mpic_msi_reserve_hwirq(mpic, i);
> 
> Coding style.  The ranges you reserve are a bit too wide,
> but that is certainly safe.

Can you clarify that comment a bit for me?    Why are they too wide, and
if they are too wide, how are they still safe?   

-Will

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> Linuxppc-dev mailing list
> Linuxppc-dev@ozlabs.org
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  reply	other threads:[~2007-01-11 17:21 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-11 11:25 [PATCH 0/7] Powerpc MSI Implementation Michael Ellerman
2007-01-11 11:25 ` [PATCH 1/7] Rip out the existing powerpc msi stubs Michael Ellerman
2007-01-11 21:31   ` Christoph Hellwig
2007-01-11 11:25 ` [PATCH 2/7] Powerpc MSI implementation Michael Ellerman
2007-01-11 19:44   ` Greg KH
2007-01-11 21:20     ` Benjamin Herrenschmidt
2007-01-11 21:54       ` Benjamin Herrenschmidt
2007-01-12 23:13         ` Greg KH
2007-01-13  5:57           ` Benjamin Herrenschmidt
2007-01-13 19:27             ` Greg KH
2007-01-13 20:40               ` Benjamin Herrenschmidt
2007-01-12 23:11       ` Greg KH
2007-01-11 21:36   ` Christoph Hellwig
2007-01-12  7:27     ` Benjamin Herrenschmidt
2007-01-11 11:25 ` [PATCH 3/7] Enable MSI on Powerpc Michael Ellerman
2007-01-11 21:37   ` Christoph Hellwig
2007-01-12  7:24     ` Benjamin Herrenschmidt
2007-01-11 11:25 ` [PATCH 5/7] MPIC MSI backend Michael Ellerman
2007-01-11 11:25 ` [PATCH 4/7] MPIC MSI allocator Michael Ellerman
2007-01-11 15:14   ` Segher Boessenkool
2007-01-11 17:19     ` Will Schmidt [this message]
2007-01-11 17:27       ` Segher Boessenkool
2007-01-12  0:27   ` Olof Johansson
2007-01-12  0:33     ` Michael Ellerman
2007-01-11 11:25 ` [PATCH 6/7] Enable MSI mappings for MPIC Michael Ellerman
2007-01-11 15:22   ` Segher Boessenkool
2007-01-11 11:25 ` [PATCH 7/7] Activate MSI for the MPIC backend on U3 Michael Ellerman
2007-01-11 15:23 ` [PATCH 0/7] Powerpc MSI Implementation Segher Boessenkool

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