From: David Gibson <david@gibson.dropbear.id.au>
To: "Cédric Le Goater" <clg@kaod.org>
Cc: qemu-ppc@nongnu.org, Alexander Graf <agraf@suse.de>,
qemu-devel@nongnu.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [Qemu-devel] [PATCH v2 06/10] ppc: Rework generation of priv and inval interrupts
Date: Wed, 22 Jun 2016 16:51:16 +1000 [thread overview]
Message-ID: <20160622065116.GP17957@voom.fritz.box> (raw)
In-Reply-To: <1466545735-2555-7-git-send-email-clg@kaod.org>
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On Tue, Jun 21, 2016 at 11:48:51PM +0200, Cédric Le Goater wrote:
> From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>
> Recent server processors use the Hypervisor Emulation Assistance
> interrupt for illegal instructions and *some* type of SPR accesses.
>
> Also the code was always generating inval instructions even for priv
> violations due to setting the wrong flags
>
> Finally, the checking for PR/HV was open coded everywhere.
>
> This reworks it all, using little helper macros for checking, and
> adding the HV interrupt (which gets converted back to program check
> in the slow path of excp_helper.c on CPUs that don't want it).
>
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> [clg: fixed checkpatch.pl errors ]
> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2016-06-22 6:56 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-21 21:48 [Qemu-devel] [PATCH v2 00/10] rework exception model to support the HV mode Cédric Le Goater
2016-06-21 21:48 ` [Qemu-devel] [PATCH v2 01/10] ppc: Fix rfi/rfid/hrfi/... emulation Cédric Le Goater
2016-06-22 2:46 ` David Gibson
2016-06-22 6:48 ` Cédric Le Goater
2016-06-23 5:50 ` David Gibson
2016-06-23 6:08 ` Cédric Le Goater
2016-06-23 6:14 ` David Gibson
2016-07-15 15:17 ` [Qemu-devel] [Qemu-ppc] " Mark Cave-Ayland
2016-09-05 20:25 ` [Qemu-devel] " Thomas Huth
2016-09-05 20:30 ` Cédric Le Goater
2016-09-05 20:51 ` Mark Cave-Ayland
2016-09-06 0:16 ` David Gibson
2016-09-06 7:07 ` Mark Cave-Ayland
2016-09-07 10:50 ` Cédric Le Goater
2016-09-07 11:08 ` Benjamin Herrenschmidt
2016-09-07 12:13 ` Cédric Le Goater
2016-09-07 21:48 ` Benjamin Herrenschmidt
2016-09-08 6:59 ` Cédric Le Goater
2016-06-21 21:48 ` [Qemu-devel] [PATCH v2 02/10] ppc: define a default LPCR value Cédric Le Goater
2016-06-21 21:48 ` [Qemu-devel] [PATCH v2 03/10] ppc: fix exception model for HV mode Cédric Le Goater
2016-06-22 6:27 ` David Gibson
2016-06-21 21:48 ` [Qemu-devel] [PATCH v2 04/10] ppc: Fix POWER7 and POWER8 exception definitions Cédric Le Goater
2016-06-21 21:48 ` [Qemu-devel] [PATCH v2 05/10] ppc: Fix generation if ISI/DSI vs. HV mode Cédric Le Goater
2016-06-21 21:48 ` [Qemu-devel] [PATCH v2 06/10] ppc: Rework generation of priv and inval interrupts Cédric Le Goater
2016-06-22 6:51 ` David Gibson [this message]
2016-06-21 21:48 ` [Qemu-devel] [PATCH v2 07/10] ppc: Add real mode CI load/store instructions for P7 and P8 Cédric Le Goater
2016-06-21 21:48 ` [Qemu-devel] [PATCH v2 08/10] ppc: Turn a bunch of booleans from int to bool Cédric Le Goater
2016-06-21 21:48 ` [Qemu-devel] [PATCH v2 09/10] ppc: Move exception generation code out of line Cédric Le Goater
2016-06-22 6:57 ` David Gibson
2016-06-21 21:48 ` [Qemu-devel] [PATCH v2 10/10] ppc: Add P7/P8 Power Management instructions Cédric Le Goater
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