From: christoffer.dall@linaro.org (Christoffer Dall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 11/22] arm64: KVM: Add patchable function selector
Date: Fri, 11 Dec 2015 22:21:16 +0100 [thread overview]
Message-ID: <20151211212116.GI27689@cbox> (raw)
In-Reply-To: <1449485618-9443-12-git-send-email-marc.zyngier@arm.com>
On Mon, Dec 07, 2015 at 10:53:27AM +0000, Marc Zyngier wrote:
> KVM so far relies on code patching, and is likely to use it more
> in the future. The main issue is that our alternative system works
> at the instruction level, while we'd like to have alternatives at
> the function level.
>
> In order to cope with this, add the "hyp_alternate_select" macro that
> outputs a brief sequence of code that in turn can be patched, allowing
> an alternative function to be selected.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
next prev parent reply other threads:[~2015-12-11 21:21 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-07 10:53 [PATCH v3 00/22] arm64: KVM: Rewriting the world switch in C Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 01/22] arm64: Add macros to read/write system registers Marc Zyngier
2015-12-07 17:35 ` Catalin Marinas
2015-12-07 17:45 ` Mark Rutland
2015-12-07 17:51 ` Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 02/22] arm64: KVM: Add a HYP-specific header file Marc Zyngier
2015-12-11 21:19 ` Christoffer Dall
2015-12-07 10:53 ` [PATCH v3 03/22] arm64: KVM: Implement vgic-v2 save/restore Marc Zyngier
2015-12-11 20:55 ` Christoffer Dall
2015-12-07 10:53 ` [PATCH v3 04/22] KVM: arm/arm64: vgic-v3: Make the LR indexing macro public Marc Zyngier
2015-12-11 20:57 ` Christoffer Dall
2015-12-07 10:53 ` [PATCH v3 05/22] arm64: KVM: Implement vgic-v3 save/restore Marc Zyngier
2015-12-07 16:40 ` Mario Smarduch
2015-12-07 16:52 ` Marc Zyngier
2015-12-07 17:18 ` Mario Smarduch
2015-12-07 17:37 ` Marc Zyngier
2015-12-07 18:05 ` Mario Smarduch
2015-12-07 18:20 ` Marc Zyngier
2015-12-08 2:14 ` Mario Smarduch
2015-12-08 8:19 ` Marc Zyngier
2015-12-11 21:04 ` Christoffer Dall
2015-12-07 10:53 ` [PATCH v3 06/22] arm64: KVM: Implement timer save/restore Marc Zyngier
2015-12-08 2:18 ` Mario Smarduch
2015-12-08 10:02 ` Marc Zyngier
2015-12-11 21:20 ` Christoffer Dall
2015-12-07 10:53 ` [PATCH v3 07/22] arm64: KVM: Implement system register save/restore Marc Zyngier
2015-12-11 3:24 ` Mario Smarduch
2015-12-11 18:29 ` Marc Zyngier
2015-12-13 4:56 ` Mario Smarduch
2015-12-07 10:53 ` [PATCH v3 08/22] arm64: KVM: Implement 32bit " Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 09/22] arm64: KVM: Implement debug save/restore Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 10/22] arm64: KVM: Implement guest entry Marc Zyngier
2015-12-14 11:06 ` Christoffer Dall
2015-12-07 10:53 ` [PATCH v3 11/22] arm64: KVM: Add patchable function selector Marc Zyngier
2015-12-11 21:21 ` Christoffer Dall [this message]
2015-12-07 10:53 ` [PATCH v3 12/22] arm64: KVM: Implement the core world switch Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 13/22] arm64: KVM: Implement fpsimd save/restore Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 14/22] arm64: KVM: Implement TLB handling Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 15/22] arm64: KVM: HYP mode entry points Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 16/22] arm64: KVM: Add panic handling Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 17/22] arm64: KVM: Add compatibility aliases Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 18/22] arm64: KVM: Map the kernel RO section into HYP Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 19/22] arm64: KVM: Move away from the assembly version of the world switch Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 20/22] arm64: KVM: Turn system register numbers to an enum Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 21/22] arm64: KVM: Cleanup asm-offset.c Marc Zyngier
2015-12-07 10:53 ` [PATCH v3 22/22] arm64: KVM: Remove weak attributes Marc Zyngier
2015-12-14 11:07 ` Christoffer Dall
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