From: Gavin Shan <gwshan@linux.vnet.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] powerpc/powernv: Make PCI non-optional
Date: Mon, 20 Feb 2017 10:11:21 +1100 [thread overview]
Message-ID: <20170219231121.GA10854@gwshan> (raw)
In-Reply-To: <1487313253-22846-1-git-send-email-mpe@ellerman.id.au>
On Fri, Feb 17, 2017 at 05:34:13PM +1100, Michael Ellerman wrote:
>Bare metal systems without PCI don't exist, so there's no real point in
>making PCI optional, it just breaks the build from time to time. In fact
>the build is broken now if you turn off PCI_MSI but enable KVM.
>
>Using select for PCI is OK because we (powerpc) define config PCI, and it
>has no dependencies. Selecting PCI_MSI is slightly fishy, because it's
>in drivers/pci and it is user-visible, but its only dependency is PCI,
>so selecting it can't actually lead to breakage.
>
>Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
next prev parent reply other threads:[~2017-02-19 23:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-17 6:34 [PATCH] powerpc/powernv: Make PCI non-optional Michael Ellerman
2017-02-19 23:11 ` Gavin Shan [this message]
2017-02-27 10:11 ` Michael Ellerman
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