From: Qais Yousef <qais.yousef@imgtec.com> To: <linux-kernel@vger.kernel.org> Cc: <tglx@linutronix.de>, <jason@lakedaemon.net>, <marc.zyngier@arm.com>, <jiang.liu@linux.intel.com>, <ralf@linux-mips.org>, <linux-mips@linux-mips.org>, Qais Yousef <qais.yousef@imgtec.com> Subject: [PATCH v2 00/19] Implement generic IPI support mechanism Date: Wed, 25 Nov 2015 12:06:38 +0000 [thread overview] Message-ID: <1448453217-3874-1-git-send-email-qais.yousef@imgtec.com> (raw) This series adds support for a generic IPI mechanism that can be used by both arch and drivers to send IPIs to other CPUs. v2 introduces a big change over v1 and should have addressed all review comments. List of changes: - We now have 2 IPI flags to distinguish per cpu IPIs from single ones. - IPI functions are in ipi.c - Added offset to ipi_mask to cater for masks starting at non-zero. - New API for sending IPIs. - Added device hierarchy to mips-gic. - Added a new patch to reserve mips-gic IPIs from DT. - Dropped the Docs help for now till API stabilises. It's hard to detail every change done but these are the headlines. It would be good to look at all patches again. Hopefully I broke them down in an away that is easy to review. I hope this is close enough to how it should be done and I didn't stray off. I tested this on Malta platform which effectively doesn't have DT support. Unfortunately I don't have access to a platform with DT support that can run on latest kernel. The recent changes in irq/core makes backporting the patches non trivial. Thanks in advance. Qais Qais Yousef (19): genirq: Add new IRQ_DOMAIN_FLAGS_IPI genirq: Add DOMAIN_BUS_IPI genirq: Add GENERIC_IRQ_IPI Kconfig symbol genirq: Add new struct ipi_mask and helper functions genirq: Add struct ipi_mask to irq_data genirq: Add struct ipi_mapping and its helper functions genirq: Make irq_domain_alloc_descs() non static genirq: Add a new generic IPI reservation code to irq core genirq: Add a new function to get IPI reverse mapping genirq: Add a new irq_send_ipi() to irq_chip genirq: Implement ipi_send_{mask, single}() irqchip/mips-gic: Add a IPI hierarchy domain irqchip/mips-gic: Add device hierarchy domain irqchip/mips-gic: Use gic_vpes instead of NR_CPUS irqchip/mips-gic: Clear percpu_masks correctly when mapping MIPS: Add generic SMP IPI support MIPS: Make smp CMP, CPS and MT use the new generic IPI functions MIPS: Delete smp-gic.c irqchip/mips-gic: Add new DT property to reserve IPIs .../bindings/interrupt-controller/mips-gic.txt | 7 + arch/mips/Kconfig | 6 - arch/mips/include/asm/smp-ops.h | 5 +- arch/mips/kernel/Makefile | 1 - arch/mips/kernel/smp-cmp.c | 4 +- arch/mips/kernel/smp-cps.c | 4 +- arch/mips/kernel/smp-gic.c | 64 --- arch/mips/kernel/smp-mt.c | 2 +- arch/mips/kernel/smp.c | 139 ++++++ drivers/irqchip/Kconfig | 2 + drivers/irqchip/irq-mips-gic.c | 354 +++++++++++---- include/linux/irq.h | 152 +++++++ include/linux/irqchip/mips-gic.h | 3 - include/linux/irqdomain.h | 46 ++ kernel/irq/Kconfig | 4 + kernel/irq/Makefile | 1 + kernel/irq/ipi.c | 478 +++++++++++++++++++++ kernel/irq/irqdomain.c | 6 +- 18 files changed, 1102 insertions(+), 176 deletions(-) delete mode 100644 arch/mips/kernel/smp-gic.c create mode 100644 kernel/irq/ipi.c -- 2.1.0
WARNING: multiple messages have this Message-ID (diff)
From: Qais Yousef <qais.yousef@imgtec.com> To: linux-kernel@vger.kernel.org Cc: tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com, jiang.liu@linux.intel.com, ralf@linux-mips.org, linux-mips@linux-mips.org, Qais Yousef <qais.yousef@imgtec.com> Subject: [PATCH v2 00/19] Implement generic IPI support mechanism Date: Wed, 25 Nov 2015 12:06:38 +0000 [thread overview] Message-ID: <1448453217-3874-1-git-send-email-qais.yousef@imgtec.com> (raw) Message-ID: <20151125120638.5HOLVwFwATu8n7PA28W3vyd9NdhZA7togzZVc5aJgtY@z> (raw) This series adds support for a generic IPI mechanism that can be used by both arch and drivers to send IPIs to other CPUs. v2 introduces a big change over v1 and should have addressed all review comments. List of changes: - We now have 2 IPI flags to distinguish per cpu IPIs from single ones. - IPI functions are in ipi.c - Added offset to ipi_mask to cater for masks starting at non-zero. - New API for sending IPIs. - Added device hierarchy to mips-gic. - Added a new patch to reserve mips-gic IPIs from DT. - Dropped the Docs help for now till API stabilises. It's hard to detail every change done but these are the headlines. It would be good to look at all patches again. Hopefully I broke them down in an away that is easy to review. I hope this is close enough to how it should be done and I didn't stray off. I tested this on Malta platform which effectively doesn't have DT support. Unfortunately I don't have access to a platform with DT support that can run on latest kernel. The recent changes in irq/core makes backporting the patches non trivial. Thanks in advance. Qais Qais Yousef (19): genirq: Add new IRQ_DOMAIN_FLAGS_IPI genirq: Add DOMAIN_BUS_IPI genirq: Add GENERIC_IRQ_IPI Kconfig symbol genirq: Add new struct ipi_mask and helper functions genirq: Add struct ipi_mask to irq_data genirq: Add struct ipi_mapping and its helper functions genirq: Make irq_domain_alloc_descs() non static genirq: Add a new generic IPI reservation code to irq core genirq: Add a new function to get IPI reverse mapping genirq: Add a new irq_send_ipi() to irq_chip genirq: Implement ipi_send_{mask, single}() irqchip/mips-gic: Add a IPI hierarchy domain irqchip/mips-gic: Add device hierarchy domain irqchip/mips-gic: Use gic_vpes instead of NR_CPUS irqchip/mips-gic: Clear percpu_masks correctly when mapping MIPS: Add generic SMP IPI support MIPS: Make smp CMP, CPS and MT use the new generic IPI functions MIPS: Delete smp-gic.c irqchip/mips-gic: Add new DT property to reserve IPIs .../bindings/interrupt-controller/mips-gic.txt | 7 + arch/mips/Kconfig | 6 - arch/mips/include/asm/smp-ops.h | 5 +- arch/mips/kernel/Makefile | 1 - arch/mips/kernel/smp-cmp.c | 4 +- arch/mips/kernel/smp-cps.c | 4 +- arch/mips/kernel/smp-gic.c | 64 --- arch/mips/kernel/smp-mt.c | 2 +- arch/mips/kernel/smp.c | 139 ++++++ drivers/irqchip/Kconfig | 2 + drivers/irqchip/irq-mips-gic.c | 354 +++++++++++---- include/linux/irq.h | 152 +++++++ include/linux/irqchip/mips-gic.h | 3 - include/linux/irqdomain.h | 46 ++ kernel/irq/Kconfig | 4 + kernel/irq/Makefile | 1 + kernel/irq/ipi.c | 478 +++++++++++++++++++++ kernel/irq/irqdomain.c | 6 +- 18 files changed, 1102 insertions(+), 176 deletions(-) delete mode 100644 arch/mips/kernel/smp-gic.c create mode 100644 kernel/irq/ipi.c -- 2.1.0
next reply other threads:[~2015-11-25 12:07 UTC|newest] Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-11-25 12:06 Qais Yousef [this message] 2015-11-25 12:06 ` [PATCH v2 00/19] Implement generic IPI support mechanism Qais Yousef 2015-11-25 12:06 ` [PATCH v2 01/19] genirq: Add new IRQ_DOMAIN_FLAGS_IPI Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 02/19] genirq: Add DOMAIN_BUS_IPI Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 03/19] genirq: Add GENERIC_IRQ_IPI Kconfig symbol Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 04/19] genirq: Add new struct ipi_mask and helper functions Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-30 11:20 ` Thomas Gleixner 2015-11-30 11:48 ` Qais Yousef 2015-11-30 11:48 ` Qais Yousef 2015-11-30 13:11 ` Thomas Gleixner 2015-11-30 13:57 ` Qais Yousef 2015-11-30 13:57 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 05/19] genirq: Add struct ipi_mask to irq_data Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 06/19] genirq: Add struct ipi_mapping and its helper functions Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 07/19] genirq: Make irq_domain_alloc_descs() non static Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 08/19] genirq: Add a new generic IPI reservation code to irq core Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 09/19] genirq: Add a new function to get IPI reverse mapping Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-27 11:46 ` Qais Yousef 2015-11-27 11:46 ` Qais Yousef 2015-11-30 10:40 ` Thomas Gleixner 2015-11-30 10:53 ` Qais Yousef 2015-11-30 10:53 ` Qais Yousef 2015-11-30 11:22 ` Thomas Gleixner 2015-11-30 11:59 ` Qais Yousef 2015-11-30 11:59 ` Qais Yousef 2015-12-01 10:47 ` Qais Yousef 2015-12-01 10:47 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 10/19] genirq: Add a new irq_send_ipi() to irq_chip Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 11/19] genirq: Implement ipi_send_{mask, single}() Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 12/19] irqchip/mips-gic: Add a IPI hierarchy domain Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 13/19] irqchip/mips-gic: Add device " Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 14/19] irqchip/mips-gic: Use gic_vpes instead of NR_CPUS Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 15/19] irqchip/mips-gic: Clear percpu_masks correctly when mapping Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 16/19] MIPS: Add generic SMP IPI support Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 17/19] MIPS: Make smp CMP, CPS and MT use the new generic IPI functions Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 18/19] MIPS: Delete smp-gic.c Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 12:06 ` [PATCH v2 19/19] irqchip/mips-gic: Add new DT property to reserve IPIs Qais Yousef 2015-11-25 12:06 ` Qais Yousef 2015-11-25 16:09 ` Rob Herring
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