From: Scott Wood <scottwood@freescale.com>
To: Alexander Graf <agraf@suse.de>
Cc: Bhushan Bharat-R65777 <R65777@freescale.com>,
"kvm-ppc@vger.kernel.org" <kvm-ppc@vger.kernel.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Wood Scott-B07421 <B07421@freescale.com>,
"tiejun.chen@windriver.com" <tiejun.chen@windriver.com>
Subject: Re: [PATCH] KVM: PPC: Add userspace debug stub support
Date: Mon, 13 May 2013 14:33:21 +0000 [thread overview]
Message-ID: <1368455601.8202.2@snotra> (raw)
In-Reply-To: <9125D8D2-63E8-4BE9-872F-6A1274ED7E87@suse.de> (from agraf@suse.de on Sat May 11 08:18:50 2013)
On 05/11/2013 08:18:50 AM, Alexander Graf wrote:
>
>
> Am 11.05.2013 um 12:24 schrieb Bhushan Bharat-R65777
> <R65777@freescale.com>:
> > We do not want to keep the delayed debug events as they does not
> carry much value. Example: taking h/w breakpoint at some other
> execution address.
>
> That's for the guest to decide, no?
No more so than with the various other things that don't get fully
emulated.
> If the guest wants to poll debug events rather than receive
> interrupts, we should enable it to do so.
Someone who cares can enable it to do so. Note that the value of
deferred debug events is so low that it got ripped out of the hardware
starting with e6500. Didn't we discuss this a while back?
-Scott
prev parent reply other threads:[~2013-05-13 14:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-07 9:52 [PATCH v4] KVM :PPC: Userspace Debug support Bharat Bhushan
2013-05-07 9:52 ` [PATCH] powerpc: remove unnecessary line continuations Bharat Bhushan
2013-05-07 9:52 ` [PATCH] powerpc: move debug registers in a structure Bharat Bhushan
2013-05-07 9:52 ` [PATCH] powerpc: export debug register save function for KVM Bharat Bhushan
2013-05-10 9:15 ` Alexander Graf
2013-05-07 9:52 ` [PATCH] KVM: PPC: exit to user space on "ehpriv" instruction Bharat Bhushan
2013-05-07 9:52 ` [PATCH] KVM: PPC: Using "struct debug_reg" Bharat Bhushan
2013-05-07 9:52 ` [PATCH] KVM: PPC: Add userspace debug stub support Bharat Bhushan
2013-05-10 10:18 ` Alexander Graf
2013-05-10 17:31 ` Bhushan Bharat-R65777
2013-05-10 17:44 ` Alexander Graf
2013-05-11 10:24 ` Bhushan Bharat-R65777
2013-05-11 13:18 ` Alexander Graf
2013-05-13 14:33 ` Scott Wood [this message]
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