From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from Galois.linutronix.de (Galois.linutronix.de [IPv6:2001:470:1f0b:db:abcd:42:0:1]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 532C71A03B4 for ; Fri, 15 May 2015 05:36:08 +1000 (AEST) Date: Thu, 14 May 2015 21:36:01 +0200 From: Sebastian Andrzej Siewior To: Bogdan Purcareata Subject: Re: [PATCH v2 2/2] powerpc/kvm: Disable in-kernel MPIC emulation for PREEMPT_RT_FULL Message-ID: <20150514193601.GI13442@linutronix.de> References: <1429890793-19487-1-git-send-email-bogdan.purcareata@freescale.com> <1429890793-19487-3-git-send-email-bogdan.purcareata@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 In-Reply-To: <1429890793-19487-3-git-send-email-bogdan.purcareata@freescale.com> Cc: b10716@freescale.com, linux-rt-users@vger.kernel.org, agraf@suse.de, linux-kernel@vger.kernel.org, mihai.caraman@freescale.com, scottwood@freescale.com, pbonzini@redhat.com, tglx@linutronix.de, linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , * Bogdan Purcareata | 2015-04-24 15:53:13 [+0000]: >While converting the openpic emulation code to use a raw_spinlock_t enables >guests to run on RT, there's still a performance issue. For interrupts sent in >Signed-off-by: Bogdan Purcareata Applied with Scott's Acked-by Sebastian