[0/3] powerpc/pseries: IPI doorbell improvements

Message ID	20200627150428.2525192-1-npiggin@gmail.com
Headers	show Return-Path: <kvm-ppc-owner@vger.kernel.org> From: Nicholas Piggin <npiggin@gmail.com> To: linuxppc-dev@lists.ozlabs.org Cc: Nicholas Piggin <npiggin@gmail.com>, Michael Ellerman <mpe@ellerman.id.au>, =?utf-8?q?C=C3=A9dric_Le_Goater?= <clg@kaod.org>, Anton Blanchard <anton@linux.ibm.com>, David Gibson <david@gibson.dropbear.id.au>, kvm-ppc@vger.kernel.org Subject: [PATCH 0/3] powerpc/pseries: IPI doorbell improvements Date: Sun, 28 Jun 2020 01:04:25 +1000 Message-Id: <20200627150428.2525192-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk
Series	powerpc/pseries: IPI doorbell improvements \| expand [0/3] powerpc/pseries: IPI doorbell improvements [1/3] powerpc: inline doorbell sending functions [2/3] powerpc/pseries: Use doorbells even if XIVE is available [3/3] powerpc/pseries: Add KVM guest doorbell restrictions

Message ID

20200627150428.2525192-1-npiggin@gmail.com

Headers

From: Nicholas Piggin <npiggin@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Nicholas Piggin <npiggin@gmail.com>,
 Michael Ellerman <mpe@ellerman.id.au>,
 =?utf-8?q?C=C3=A9dric_Le_Goater?= <clg@kaod.org>,
 Anton Blanchard <anton@linux.ibm.com>,
 David Gibson <david@gibson.dropbear.id.au>, kvm-ppc@vger.kernel.org
Subject: [PATCH 0/3] powerpc/pseries: IPI doorbell improvements
Date: Sun, 28 Jun 2020 01:04:25 +1000
Message-Id: <20200627150428.2525192-1-npiggin@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: kvm-ppc-owner@vger.kernel.org
Precedence: bulk

Series

powerpc/pseries: IPI doorbell improvements | expand

Message

Nicholas Piggin June 27, 2020, 3:04 p.m. UTC

Thanks for the review, I think I incorporated all your comments, I
also did add KVM detection which avoids introducing a performance
regression.

Thanks,
Nick

Nicholas Piggin (3):
  powerpc: inline doorbell sending functions
  powerpc/pseries: Use doorbells even if XIVE is available
  powerpc/pseries: Add KVM guest doorbell restrictions

 arch/powerpc/include/asm/dbell.h          | 59 +++++++++++++++++++--
 arch/powerpc/include/asm/firmware.h       |  2 +
 arch/powerpc/include/asm/kvm_para.h       | 26 ++--------
 arch/powerpc/kernel/dbell.c               | 55 --------------------
 arch/powerpc/platforms/pseries/firmware.c | 14 +++++
 arch/powerpc/platforms/pseries/smp.c      | 62 ++++++++++++++++-------
 6 files changed, 119 insertions(+), 99 deletions(-)