From: mark.rutland@arm.com (Mark Rutland)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/8] arm64 kexec kernel patches V7
Date: Mon, 26 Jan 2015 18:55:25 +0000 [thread overview]
Message-ID: <20150126185524.GN23313@leverpostej> (raw)
In-Reply-To: <20150126174414.GF14048@e104818-lin.cambridge.arm.com>
On Mon, Jan 26, 2015 at 05:44:14PM +0000, Catalin Marinas wrote:
> Hi Geoff,
>
> On Sat, Jan 17, 2015 at 12:23:34AM +0000, Geoff Levand wrote:
> > This series adds the core support for kexec re-boots on arm64. This v7 of the
> > series is mainly just a rebase to the latest arm64 for-next/core branch
> > (v3.19-rc4), and a few very minor changes requested for v6.
>
> I haven't looked at the series in detail before, so some of my comments
> may have already been discussed.
>
> > Several things are known to have problems on kexec re-boot:
> >
> > spin-table
>
> I think that's not too bad, for complete kexec support (SMP->SMP) we can
> require some CPU unplug mechanism and PSCI is one of them.
>
> > FIX: Upgrade system firmware to provide PSCI enable method support or add
> > missing spin-table support to the kernel.
>
> What's the missing spin-table support?
As you mention above, a mechanism for returning the CPUs to FW. There is
no spec for doing this with spin-table, which would have to be written
and vetted.
Mark.
next prev parent reply other threads:[~2015-01-26 18:55 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1415926876.git.geoff@infradead.orgg>
2015-01-17 0:23 ` [PATCH 0/8] arm64 kexec kernel patches V7 Geoff Levand
2015-01-17 0:23 ` [PATCH 1/8] arm64: Move proc-macros.S to include/asm Geoff Levand
2015-01-26 17:45 ` Catalin Marinas
2015-01-27 19:33 ` [PATCH V2 1/8] arm64: Fold proc-macros.S into assembler.h Geoff Levand
2015-01-17 0:23 ` [PATCH 4/8] arm64: Add EL2 switch to soft_restart Geoff Levand
2015-01-26 19:02 ` Mark Rutland
2015-01-26 21:48 ` Geoff Levand
2015-01-27 16:46 ` Mark Rutland
2015-01-27 18:34 ` Geoff Levand
2015-01-27 17:57 ` Catalin Marinas
2015-01-30 21:47 ` Geoff Levand
2015-01-17 0:23 ` [PATCH 3/8] arm64: Add new hcall HVC_CALL_FUNC Geoff Levand
2015-01-27 17:39 ` Catalin Marinas
2015-01-27 18:00 ` Mark Rutland
2015-01-30 21:52 ` Geoff Levand
2015-01-17 0:23 ` [PATCH 6/8] arm64/kexec: Add pr_devel output Geoff Levand
2015-01-17 0:23 ` [PATCH 8/8] arm64/kexec: Enable kexec in the arm64 defconfig Geoff Levand
2015-01-17 0:23 ` [PATCH 2/8] arm64: Convert hcalls to use ISS field Geoff Levand
2015-01-26 18:26 ` Catalin Marinas
2015-01-30 23:31 ` Geoff Levand
2015-02-02 16:04 ` Catalin Marinas
2015-01-30 23:33 ` [PATCH v2 " Geoff Levand
2015-02-19 20:57 ` Christoffer Dall
2015-02-25 22:09 ` Geoff Levand
2015-03-02 22:13 ` Christoffer Dall
2015-03-02 23:22 ` Geoff Levand
2015-03-03 21:47 ` Christopher Covington
2015-03-03 22:35 ` Geoff Levand
2015-01-17 0:23 ` [PATCH 7/8] arm64/kexec: Add checks for KVM Geoff Levand
2015-01-26 19:19 ` Mark Rutland
2015-01-26 20:39 ` Christoffer Dall
2015-01-26 20:58 ` Geoff Levand
2015-01-26 21:00 ` Geoff Levand
2015-01-29 9:36 ` AKASHI Takahiro
2015-01-29 9:57 ` AKASHI Takahiro
2015-01-29 10:59 ` Marc Zyngier
2015-01-29 18:47 ` Mark Rutland
2015-01-30 6:10 ` AKASHI Takahiro
2015-01-30 12:14 ` Mark Rutland
2015-01-30 19:48 ` Geoff Levand
2015-02-02 8:18 ` AKASHI Takahiro
2015-02-06 0:11 ` Geoff Levand
2015-02-06 4:18 ` AKASHI Takahiro
2015-02-06 7:06 ` Geoff Levand
2015-01-17 0:23 ` [PATCH 5/8] arm64/kexec: Add core kexec support Geoff Levand
2015-01-26 19:16 ` Mark Rutland
2015-01-26 17:44 ` [PATCH 0/8] arm64 kexec kernel patches V7 Catalin Marinas
2015-01-26 18:37 ` Grant Likely
2015-01-26 18:55 ` Mark Rutland [this message]
2015-01-26 20:57 ` Geoff Levand
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