From: David Miller <davem@davemloft.net>
To: clg@kaod.org
Cc: julietk@linux.vnet.ibm.com, tlfalcon@linux.ibm.com,
jallen@linux.ibm.com, mpe@ellerman.id.au,
linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org
Subject: Re: [PATCH] net/ibmvnic: Fix EOI when running in XIVE mode.
Date: Sun, 13 Oct 2019 11:19:21 -0700 (PDT) [thread overview]
Message-ID: <20191013.111921.357704258801923369.davem@davemloft.net> (raw)
In-Reply-To: <20191011055254.8347-1-clg@kaod.org>
From: Cédric Le Goater <clg@kaod.org>
Date: Fri, 11 Oct 2019 07:52:54 +0200
> pSeries machines on POWER9 processors can run with the XICS (legacy)
> interrupt mode or with the XIVE exploitation interrupt mode. These
> interrupt contollers have different interfaces for interrupt
> management : XICS uses hcalls and XIVE loads and stores on a page.
> H_EOI being a XICS interface the enable_scrq_irq() routine can fail
> when the machine runs in XIVE mode.
>
> Fix that by calling the EOI handler of the interrupt chip.
>
> Fixes: f23e0643cd0b ("ibmvnic: Clear pending interrupt after device reset")
> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Applied and queued up for -stable, thanks.
prev parent reply other threads:[~2019-10-13 18:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-11 5:52 [PATCH] net/ibmvnic: Fix EOI when running in XIVE mode Cédric Le Goater
2019-10-11 18:48 ` Thomas Falcon
2019-10-13 18:19 ` David Miller [this message]
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