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Date: Mon, 4 May 2015 11:15:28 +0800
From: Jiang Liu <jiang.liu@...ux.intel.com>
To: Thomas Gleixner <tglx@...utronix.de>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Randy Dunlap <rdunlap@...radead.org>,
Yinghai Lu <yinghai@...nel.org>, Borislav Petkov <bp@...en8.de>
Cc: Jiang Liu <jiang.liu@...ux.intel.com>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
Tony Luck <tony.luck@...el.com>, x86@...nel.org,
linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
linux-acpi@...r.kernel.org
Subject: [RFC v1 00/11] Split struct irq_data into common part and per-chip part
Hi all,
Now the irq core supports hierarchy irq and stacked irqchips,
so there may be multiple irq_datas associated with the same irq. But
some fields in struct irq_data are per-irq instance and duplicating
those fields into multiple irq_data may cause troubles.
So this patch introduces a new data structure 'struct
irq_common_data' to host per-irq instance data fields, and struct
irq_data will only host per-chip data fields after the conversion.
It's based on tip/x86/apic plus these two patches at:
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg879700.html
And it passes Fengguang's zeroday test suite.
Thanks!
Gerry
Jiang Liu (11):
genirq: Introduce struct irq_common_data to host shared irq data
genirq: Move field 'node' from struct irq_data into struct
irq_common_data
genirq: Use CONFIG_NUMA instead of CONFIG_SMP to guard
irq_common_data.node
genirq: Move field 'handler_data' from struct irq_data into struct
irq_common_data
mn10300: Fix incorrect use of data->affinity
genirq: Introduce helper function irq_data_get_affinity_mask()
net/mlx4: Cache irq_desc->affinity instead of irq_desc
genirq: Move field 'affinity' from struct irq_data into struct
irq_common_data
genirq: Use helper function to access irq_data->msi_desc
genirq: Move field 'msi_desc' from struct irq_data into struct
irq_common_data
genirq: Pass irq_data to helper function
__irq_set_chip_handler_name_locked()
arch/alpha/kernel/irq.c | 2 +-
arch/arm/kernel/irq.c | 4 +-
arch/arm64/kernel/irq.c | 4 +-
arch/blackfin/mach-common/ints-priority.c | 3 +-
arch/ia64/kernel/iosapic.c | 8 +-
arch/ia64/kernel/irq.c | 6 +-
arch/ia64/kernel/msi_ia64.c | 6 +-
arch/ia64/sn/kernel/msi_sn.c | 4 +-
arch/metag/kernel/irq.c | 10 ++-
arch/mips/alchemy/common/irq.c | 4 +-
arch/mips/bcm63xx/irq.c | 2 +-
arch/mips/cavium-octeon/octeon-irq.c | 14 ++--
arch/mips/pmcs-msp71xx/msp_irq_cic.c | 3 +-
arch/mn10300/kernel/cevt-mn10300.c | 2 +-
arch/mn10300/kernel/irq.c | 13 +--
arch/parisc/kernel/irq.c | 12 +--
arch/powerpc/kernel/irq.c | 2 +-
arch/powerpc/sysdev/xics/ics-opal.c | 4 +-
arch/powerpc/sysdev/xics/ics-rtas.c | 4 +-
arch/sh/kernel/irq.c | 9 ++-
arch/sparc/kernel/irq_64.c | 27 ++++---
arch/sparc/kernel/leon_kernel.c | 6 +-
arch/sparc/kernel/sun4d_irq.c | 4 +-
arch/sparc/kernel/sun4m_irq.c | 6 +-
arch/tile/kernel/pci_gx.c | 2 +-
arch/x86/kernel/apic/io_apic.c | 2 +-
arch/x86/kernel/apic/msi.c | 2 +-
arch/x86/kernel/apic/vector.c | 13 ++-
arch/x86/kernel/hpet.c | 4 +-
arch/x86/kernel/irq.c | 5 +-
arch/x86/platform/uv/uv_irq.c | 2 +-
arch/xtensa/kernel/irq.c | 10 ++-
drivers/gpio/gpio-davinci.c | 2 +-
drivers/gpio/gpio-zynq.c | 9 +--
drivers/irqchip/irq-metag-ext.c | 5 +-
drivers/irqchip/irq-mips-gic.c | 13 ++-
drivers/net/ethernet/mellanox/mlx4/en_cq.c | 6 +-
drivers/net/ethernet/mellanox/mlx4/en_rx.c | 5 +-
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 2 +-
drivers/parisc/iosapic.c | 2 +-
drivers/pci/msi.c | 2 +-
drivers/sh/intc/chip.c | 6 +-
drivers/sh/intc/virq.c | 4 +-
drivers/xen/events/events_base.c | 4 +-
include/linux/irq.h | 109 +++++++++++++++++---------
include/linux/irqdesc.h | 11 +--
kernel/irq/chip.c | 4 +-
kernel/irq/internals.h | 15 ++--
kernel/irq/irqdesc.c | 27 +++----
kernel/irq/irqdomain.c | 5 +-
kernel/irq/manage.c | 14 ++--
kernel/irq/proc.c | 4 +-
52 files changed, 250 insertions(+), 198 deletions(-)
--
1.7.10.4
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