linux-kernel - Re: [PATCH 3/7] powerpc: introduce the ePAPR embedded hypervisor vmpic driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 22 Jun 2011 06:41:41 -0500
From:	Kumar Gala <kumar.gala@...escale.com>
To:	Timur Tabi <timur@...escale.com>
CC:	<benh@...nel.crashing.org>, <greg@...ah.com>, <akpm@...nel.org>,
	<linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
	<linux-console@...r.kernel.org>
Subject: Re: [PATCH 3/7] powerpc: introduce the ePAPR embedded hypervisor vmpic driver


On May 19, 2011, at 8:54 AM, Timur Tabi wrote:

> From: Ashish Kalra <ashish.kalra@...escale.com>
> 
> The Freescale ePAPR reference hypervisor provides interrupt controller services
> via a hypercall interface, instead of emulating the MPIC controller.  This is
> called the VMPIC.
> 
> The ePAPR "virtual interrupt controller" provides interrupt controller services
> for external interrupts.  External interrupts received by a partition can come
> from two sources:
> 
>  - Hardware interrupts - hardware interrupts come from external
>    interrupt lines or on-chip I/O devices.
>  - Virtual interrupts - virtual interrupts are generated by the hypervisor
>    as part of some hypervisor service or hypervisor-created virtual device.
> 
> Both types of interrupts are processed using the same programming model and
> same set of hypercalls.
> 
> Signed-off-by: Ashish Kalra <ashish.kalra@...escale.com>
> Signed-off-by: Timur Tabi <timur@...escale.com>
> ---
> arch/powerpc/include/asm/ehv_pic.h |   40 +++++
> arch/powerpc/platforms/Kconfig     |    4 +
> arch/powerpc/sysdev/Makefile       |    1 +
> arch/powerpc/sysdev/ehv_pic.c      |  302 ++++++++++++++++++++++++++++++++++++
> 4 files changed, 347 insertions(+), 0 deletions(-)
> create mode 100644 arch/powerpc/include/asm/ehv_pic.h
> create mode 100644 arch/powerpc/sysdev/ehv_pic.c

applied to next

- k
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/