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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: kvm@vger.kernel.org, Alexander Graf <agraf@suse.de>,
	kvm-ppc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Alex Williamson <alex.williamson@redhat.com>,
	Paul Mackerras <paulus@samba.org>,
	linuxppc-dev@lists.ozlabs.org,
	David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH 6/8] KVM: PPC: Add support for multiple-TCE hcalls
Date: Thu, 11 Jul 2013 22:33:02 +1000	[thread overview]
Message-ID: <1373545982.19894.82.camel@pasglop> (raw)
In-Reply-To: <51DE3ECB.7080803@ozlabs.ru>

On Thu, 2013-07-11 at 15:12 +1000, Alexey Kardashevskiy wrote:
> >> Any debug code is prohibited? Ok, I'll remove.
> > 
> > Debug code that requires code changes is prohibited, yes.
> > Debug code that is runtime switchable (pr_debug, trace points, etc)
> > are allowed.

Bollox.

$ grep DBG\( arch/powerpc/ -r | wc -l
418

Also pr_devel is not runtime switchable in normal kernels either and
still an "official" kernel interface.

> Is there any easy way to enable just this specific udbg_printf (not all of
> them at once)? Trace points do not work in real mode as we figured out.

The cleaner way to do it is to use some kind of local macro that you
enable/disable by changing a #define at the top of the function, possibly
several.

Cheers,
Ben.

  parent reply	other threads:[~2013-07-11 12:33 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-06 15:06 [PATCH 0/8 v5] KVM: PPC: IOMMU in-kernel handling Alexey Kardashevskiy
2013-07-06 15:07 ` [PATCH 1/8] KVM: PPC: reserve a capability number for multitce support Alexey Kardashevskiy
2013-07-06 15:07 ` [PATCH 2/8] KVM: PPC: reserve a capability and ioctl numbers for realmode VFIO Alexey Kardashevskiy
2013-07-06 15:07 ` [PATCH 3/8] vfio: add external user support Alexey Kardashevskiy
2013-07-08 21:52   ` Alex Williamson
2013-07-09  5:40     ` Alexey Kardashevskiy
2013-07-09 14:08       ` Alex Williamson
2013-07-06 15:07 ` [PATCH 4/8] powerpc: Prepare to support kernel handling of IOMMU map/unmap Alexey Kardashevskiy
2013-07-08  1:33   ` Benjamin Herrenschmidt
2013-07-09 15:54     ` Alexander Graf
2013-07-06 15:07 ` [PATCH 5/8] powerpc: add real mode support for dma operations on powernv Alexey Kardashevskiy
2013-07-08  4:44   ` [PATCH v2] " Alexey Kardashevskiy
2013-07-08  7:20     ` Benjamin Herrenschmidt
2013-07-08  7:31       ` Alexey Kardashevskiy
2013-07-08  7:40         ` Benjamin Herrenschmidt
2013-07-09 16:02   ` [PATCH 5/8] " Alexander Graf
2013-07-10  3:17     ` Alexey Kardashevskiy
2013-07-10  3:37     ` Benjamin Herrenschmidt
2013-07-06 15:07 ` [PATCH 6/8] KVM: PPC: Add support for multiple-TCE hcalls Alexey Kardashevskiy
2013-07-09 17:02   ` Alexander Graf
2013-07-10  5:00     ` Alexey Kardashevskiy
2013-07-10 10:05       ` Alexander Graf
2013-07-11  5:12         ` Alexey Kardashevskiy
2013-07-11 10:11           ` Alexander Graf
2013-07-11 10:54             ` Alexey Kardashevskiy
2013-07-11 11:15               ` Alexander Graf
2013-07-11 12:39                 ` Benjamin Herrenschmidt
2013-07-11 12:51                   ` Alexander Graf
2013-07-11 12:56                     ` Alexey Kardashevskiy
2013-07-11 12:58                     ` Benjamin Herrenschmidt
2013-07-11 13:13                       ` Alexey Kardashevskiy
2013-07-11 13:21                         ` Alexander Graf
2013-07-11 12:40                 ` Benjamin Herrenschmidt
2013-07-11 12:38             ` Benjamin Herrenschmidt
2013-07-11 12:33           ` Benjamin Herrenschmidt [this message]
2013-07-11 13:11             ` Alexander Graf
2013-07-06 15:07 ` [PATCH 7/8] KVM: PPC: Add support for IOMMU in-kernel handling Alexey Kardashevskiy
2013-07-09 17:06   ` Alexander Graf
2013-07-06 15:07 ` [PATCH 8/8] KVM: PPC: Add hugepage " Alexey Kardashevskiy
2013-07-09 17:32   ` Alexander Graf
2013-07-09 23:29     ` Alexey Kardashevskiy
2013-07-10 10:33       ` Alexander Graf
2013-07-10 10:39         ` Benjamin Herrenschmidt
2013-07-10 10:40           ` Alexander Graf
2013-07-10 10:42             ` Alexander Graf
2013-07-11  8:57     ` Alexey Kardashevskiy
2013-07-11  9:52       ` Alexander Graf
2013-07-11 12:37         ` Benjamin Herrenschmidt
2013-07-11 12:50           ` Alexander Graf
2013-07-11 12:56             ` Benjamin Herrenschmidt
2013-07-11 13:41               ` chandrashekar shastri
2013-07-11 13:44                 ` Alexander Graf
2013-07-11 13:46                 ` Alexey Kardashevskiy
  -- strict thread matches above, loose matches on Subject: below --
2013-06-27  5:02 [PATCH 0/8 v4] KVM: PPC: " Alexey Kardashevskiy
2013-06-27  5:02 ` [PATCH 6/8] KVM: PPC: Add support for multiple-TCE hcalls Alexey Kardashevskiy

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