From: Michael Ellerman <patch-notifications@ellerman•id.au>
To: Benjamin Herrenschmidt <benh@kernel•crashing.org>,
linuxppc-dev@lists•ozlabs.org
Cc: Paul Mackerras <pmac@au1•ibm.com>
Subject: Re: powerpc/icp-opal: Fix missing KVM case and harden replay
Date: Wed, 18 Jan 2017 23:10:23 +1100 (AEDT) [thread overview]
Message-ID: <3v3Qlg5Czkz9tkD@ozlabs.org> (raw)
In-Reply-To: <20170116175853.2458-1-benh@kernel.crashing.org>
On Mon, 2017-01-16 at 17:58:53 UTC, Benjamin Herrenschmidt wrote:
> The icp-opal call is missing the code from icp-native to recover
> interrupts snatched by KVM. Without that, when running KVM, we can
> get into a situation where an interrupt is lost and the CPU stuck
> with an elevated CPPR.
>
> Also harden replay by always checking the return from opal_int_eoi
>
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel•crashing.org>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/9728a7c8ab2f7a1c8d5c95278d2e4f
cheers
prev parent reply other threads:[~2017-01-18 12:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-16 17:58 [PATCH] powerpc/icp-opal: Fix missing KVM case and harden replay Benjamin Herrenschmidt
2017-01-17 6:38 ` Balbir Singh
2017-01-18 12:10 ` Michael Ellerman [this message]
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