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x86, irq: Move PCI MSI related code from io_apic.c into msi.c

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Create arch/x86/kernel/apic/msi.c to host MSI related code,
preparing for enabling hierarchy irqdomain.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Prarit Bhargava <prarit@redhat.com>
Link: http://lkml.kernel.org/r/1414397531-28254-12-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Jiang Liu
2014-10-27 16:12:02 +08:00
committed by Thomas Gleixner
parent 849d3569bb
commit 443809828c
5 changed files with 290 additions and 276 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/x86/include/asm/io_apic.h
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@@ -148,9 +148,6 @@ extern int native_setup_ioapic_entry(int, struct IO_APIC_route_entry *,
struct io_apic_irq_attr *);
extern void eoi_ioapic_irq(unsigned int irq, struct irq_cfg *cfg);
extern void native_compose_msi_msg(struct pci_dev *pdev,
unsigned int irq, unsigned int dest,
struct msi_msg *msg, u8 hpet_id);
extern void native_eoi_ioapic_pin(int apic, int pin, int vector);
extern int save_ioapic_entries(void);
@@ -261,7 +258,6 @@ static inline void disable_ioapic_support(void) { }
#define native_io_apic_print_entries NULL
#define native_ioapic_set_affinity NULL
#define native_setup_ioapic_entry NULL
#define native_compose_msi_msg NULL
#define native_eoi_ioapic_pin NULL
#endif