From mboxrd@z Thu Jan 1 00:00:00 1970 From: robert.richter@caviumnetworks.com (Robert Richter) Date: Thu, 21 Apr 2016 19:40:42 +0200 Subject: [PATCH v5] irqchip, gicv3-its, numa: Enable workaround for Cavium thunderx erratum 23144 In-Reply-To: <1460748606-28390-1-git-send-email-rrichter@caviumnetworks.com> References: <1460748606-28390-1-git-send-email-rrichter@caviumnetworks.com> Message-ID: <20160421174042.GD24726@rric.localdomain> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 15.04.16 21:30:05, Robert Richter wrote: > From: Ganapatrao Kulkarni > > The erratum fixes the hang of ITS SYNC command by avoiding inter node > io and collections/cpu mapping on thunderx dual-socket platform. > > This fix is only applicable for Cavium's ThunderX dual-socket platform. > > This is based on NUMA v16 series. > Message-Id: <1460155828-8690-1-git-send-email-ddaney.cavm@gmail.com> Will, Catalin, after NUMA base patches went into linux-next (many thanks), please consider this pass 1.x errata workaround for inclusion too. Thanks, -Robert > > v5 (by Robert Richter): > fixed use of cpumask_of_node() only for (node >= 0) > minor style fixes > > v4: > updated silicon-errata.txt > updated as per Robert Richter review comment. > > v3: > updatated as per Marc Zyngier's review comments. > http://www.spinics.net/lists/arm-kernel/msg443462.html > > v2: > updatated as per Marc Zyngier's review comments. > > Reviewed-by: Robert Richter > Signed-off-by: Ganapatrao Kulkarni > Signed-off-by: Robert Richter > --- > Documentation/arm64/silicon-errata.txt | 1 + > arch/arm64/Kconfig | 9 +++++++ > drivers/irqchip/irq-gic-v3-its.c | 49 ++++++++++++++++++++++++++++++++-- > 3 files changed, 57 insertions(+), 2 deletions(-)