From: Pranavkumar Sawargaonkar <psawargaonkar@apm.com> To: devicetree@vger.kernel.org Cc: Feng Kan <fkan@apm.com>, arnd@arndb.de, marc.zyngier@arm.com, jcm@redhat.com, patches@apm.com, kvmarm@lists.cs.columbia.edu, christoffer.dall@linaro.org, Tushar Jagad <tjagad@apm.com>, Pranavkumar Sawargaonkar <psawargaonkar@apm.com>, linux-arm-kernel@lists.infradead.org Subject: [PATCH] arm64: dts: Fix GIC reg sizes for APM X-Gene Date: Tue, 27 Jan 2015 12:33:26 +0530 [thread overview] Message-ID: <1422342206-4750-1-git-send-email-psawargaonkar@apm.com> (raw) In APM X-Gene, GIC register space is 64K aligned while the sizes mentioned in the dt are 4K aligned. This breaks KVM when kernel is built with 64K page size due to size alignment checking in vgic driver for VCPU Control and VCPU register. This patch corrects the sizes to be inline with the hardware spec. CC: linux-arm-kernel@lists.infradead.org CC: kvmarm@lists.cs.columbia.edu CC: arnd@arndb.de CC: marc.zyngier@arm.com CC: christoffer.dall@linaro.org CC: jcm@redhat.com Signed-off-by: Pranavkumar Sawargaonkar <psawargaonkar@apm.com> Signed-off-by: Tushar Jagad <tjagad@apm.com> Signed-off-by: Feng Kan <fkan@apm.com> --- arch/arm64/boot/dts/apm/apm-storm.dtsi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi index f1ad9c2..65f0e6d 100644 --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi @@ -81,10 +81,10 @@ compatible = "arm,cortex-a15-gic"; #interrupt-cells = <3>; interrupt-controller; - reg = <0x0 0x78010000 0x0 0x1000>, /* GIC Dist */ - <0x0 0x78020000 0x0 0x1000>, /* GIC CPU */ - <0x0 0x78040000 0x0 0x2000>, /* GIC VCPU Control */ - <0x0 0x78060000 0x0 0x2000>; /* GIC VCPU */ + reg = <0x0 0x78010000 0x0 0x10000>, /* GIC Dist */ + <0x0 0x78020000 0x0 0x20000>, /* GIC CPU */ + <0x0 0x78040000 0x0 0x10000>, /* GIC VCPU Control */ + <0x0 0x78060000 0x0 0x20000>; /* GIC VCPU */ interrupts = <1 9 0xf04>; /* GIC Maintenence IRQ */ }; -- 1.7.9.5
WARNING: multiple messages have this Message-ID (diff)
From: psawargaonkar@apm.com (Pranavkumar Sawargaonkar) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH] arm64: dts: Fix GIC reg sizes for APM X-Gene Date: Tue, 27 Jan 2015 12:33:26 +0530 [thread overview] Message-ID: <1422342206-4750-1-git-send-email-psawargaonkar@apm.com> (raw) In APM X-Gene, GIC register space is 64K aligned while the sizes mentioned in the dt are 4K aligned. This breaks KVM when kernel is built with 64K page size due to size alignment checking in vgic driver for VCPU Control and VCPU register. This patch corrects the sizes to be inline with the hardware spec. CC: linux-arm-kernel at lists.infradead.org CC: kvmarm at lists.cs.columbia.edu CC: arnd at arndb.de CC: marc.zyngier at arm.com CC: christoffer.dall at linaro.org CC: jcm at redhat.com Signed-off-by: Pranavkumar Sawargaonkar <psawargaonkar@apm.com> Signed-off-by: Tushar Jagad <tjagad@apm.com> Signed-off-by: Feng Kan <fkan@apm.com> --- arch/arm64/boot/dts/apm/apm-storm.dtsi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi index f1ad9c2..65f0e6d 100644 --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi @@ -81,10 +81,10 @@ compatible = "arm,cortex-a15-gic"; #interrupt-cells = <3>; interrupt-controller; - reg = <0x0 0x78010000 0x0 0x1000>, /* GIC Dist */ - <0x0 0x78020000 0x0 0x1000>, /* GIC CPU */ - <0x0 0x78040000 0x0 0x2000>, /* GIC VCPU Control */ - <0x0 0x78060000 0x0 0x2000>; /* GIC VCPU */ + reg = <0x0 0x78010000 0x0 0x10000>, /* GIC Dist */ + <0x0 0x78020000 0x0 0x20000>, /* GIC CPU */ + <0x0 0x78040000 0x0 0x10000>, /* GIC VCPU Control */ + <0x0 0x78060000 0x0 0x20000>; /* GIC VCPU */ interrupts = <1 9 0xf04>; /* GIC Maintenence IRQ */ }; -- 1.7.9.5
next reply other threads:[~2015-01-27 7:03 UTC|newest] Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-01-27 7:03 Pranavkumar Sawargaonkar [this message] 2015-01-27 7:03 ` [PATCH] arm64: dts: Fix GIC reg sizes for APM X-Gene Pranavkumar Sawargaonkar 2015-02-19 15:51 ` Christoffer Dall 2015-02-19 15:51 ` Christoffer Dall [not found] ` <1422342206-4750-1-git-send-email-psawargaonkar-qTEPVZfXA3Y@public.gmane.org> 2015-01-27 9:32 ` Jon Masters 2015-01-27 9:32 ` Jon Masters 2015-02-11 4:09 ` Pranavkumar Sawargaonkar 2015-02-11 4:09 ` Pranavkumar Sawargaonkar 2015-02-19 18:23 ` Rob Herring 2015-02-19 18:23 ` Rob Herring [not found] ` <CAL_JsqJQcuX2cp50oHod-QAbhdMg48TaRP+gLGEO2kbFnQ3B+A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-02-19 19:03 ` Christoffer Dall 2015-02-19 19:03 ` Christoffer Dall 2015-02-21 21:56 ` Rob Herring 2015-02-21 21:56 ` Rob Herring [not found] ` <CAL_JsqLcBOC+AnVe7oATjg2g6Fz2vqwacu8QzS4tXMaxxOP_Xg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-02-21 23:58 ` Peter Maydell 2015-02-21 23:58 ` Peter Maydell 2015-02-23 12:07 ` Christoffer Dall 2015-02-23 12:07 ` Christoffer Dall 2015-02-23 12:24 ` Jon Masters 2015-02-23 12:24 ` Jon Masters 2015-02-23 16:39 ` Rob Herring 2015-02-23 16:39 ` Rob Herring 2015-02-24 6:34 ` Pranavkumar Sawargaonkar 2015-02-24 6:34 ` Pranavkumar Sawargaonkar [not found] ` <CANFfpkQF-8Kzq-UoP=xLpkTafGn6ScyiEb6oCs-Lxygb+ummLA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-02-24 14:30 ` Rob Herring 2015-02-24 14:30 ` Rob Herring [not found] ` <CAL_JsqLs4HdT6N=Vb4s--x3ugXKbWYQ5R2WGbiWFhhnYxnK-xw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-02-27 3:57 ` Pranavkumar Sawargaonkar 2015-02-27 3:57 ` Pranavkumar Sawargaonkar 2015-03-19 18:54 ` Marc Zyngier 2015-03-19 18:54 ` Marc Zyngier 2015-03-11 14:53 ` Marc Zyngier 2015-03-11 14:53 ` Marc Zyngier [not found] ` <550056FD.8060804-5wv7dgnIgG8@public.gmane.org> 2015-03-11 17:19 ` Feng Kan 2015-03-11 17:19 ` Feng Kan [not found] ` <CAL85gmCuB4LfNp+6B8cL9+emFqWPM6W9gevTzibyaAzL+7jVdg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-03-11 17:31 ` Marc Zyngier 2015-03-11 17:31 ` Marc Zyngier 2015-03-11 17:57 ` Feng Kan 2015-03-11 17:57 ` Feng Kan [not found] ` <CAL85gmDVfop1_roHyLTRzFY3BahzTWs7nwbpmZD7emFKcFHyLg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-03-11 18:17 ` Marc Zyngier 2015-03-11 18:17 ` Marc Zyngier [not found] ` <550086B9.4010001-5wv7dgnIgG8@public.gmane.org> 2015-03-12 3:52 ` Pranavkumar Sawargaonkar 2015-03-12 3:52 ` Pranavkumar Sawargaonkar [not found] ` <CANFfpkQ1QyWEGwwQx1g1By=uXvctJjF8AOO+uA5CFUgO4v9DFg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-03-12 9:25 ` Marc Zyngier 2015-03-12 9:25 ` Marc Zyngier
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