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From: Richard Henderson <richard.henderson@linaro.org>
To: David Gibson <david@gibson.dropbear.id.au>,
	Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: mikey@neuling.org, kvm@vger.kernel.org, mst@redhat.com,
	mpe@ellerman.id.au, cohuck@redhat.com, qemu-devel@nongnu.org,
	groug@kaod.org, qemu-ppc@nongnu.org,
	"Cédric Le Goater" <clg@kaod.org>,
	pbonzini@redhat.com, paulus@samba.org
Subject: Re: [PATCH v5 3/3] ppc: Enable 2nd DAWR support on p10
Date: Wed, 21 Apr 2021 21:45:29 -0700
Message-ID: <01a7ea82-1d51-6d8d-5b47-43ef9df6b81e@linaro.org> (raw)
In-Reply-To: <YIDX5nRJ2NWdGvlj@yekko.fritz.box>

On 4/21/21 6:56 PM, David Gibson wrote:
> I don't actually know if qemu has TCG watchpoint support on any
> hardware.  Presumably it would mean instrumenting all the tcg loads
> and stores.

We tag the soft tlb for pages that contain watchpoints.

See include/hw/core/cpu.h:


  reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-12 11:44 [PATCH v5 0/3] ppc: Enable 2nd DAWR support on Power10 Ravi Bangoria
2021-04-12 11:44 ` [PATCH v5 1/3] Linux headers: update from 5.12-rc3 Ravi Bangoria
2021-04-12 11:44 ` [PATCH v5 2/3] ppc: Rename current DAWR macros and variables Ravi Bangoria
2021-04-19  4:47   ` David Gibson
2021-04-12 11:44 ` [PATCH v5 3/3] ppc: Enable 2nd DAWR support on p10 Ravi Bangoria
2021-04-12 13:10   ` Cédric Le Goater
2021-04-19  4:53   ` David Gibson
2021-04-21  6:20     ` Ravi Bangoria
2021-04-21  6:31       ` Cédric Le Goater
2021-04-21  6:54         ` Ravi Bangoria
2021-04-22  1:56           ` David Gibson
2021-04-22  4:45             ` Richard Henderson [this message]
2021-05-05  5:50       ` David Gibson

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