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Rusty Russell 19eadf98c8 [PATCH] x86: increase interrupt vector range 
Remove the limit of 256 interrupt vectors by changing the value stored in
orig_{e,r}ax to be the complemented interrupt vector.  The orig_{e,r}ax
needs to be < 0 to allow the signal code to distinguish between return from
interrupt and return from syscall.  With this change applied, NR_IRQS can
be > 256.

Xen extends the IRQ numbering space to include room for dynamically
allocated virtual interrupts (in the range 256-511), which requires a more
permissive interface to do_IRQ.

Signed-off-by: Ian Pratt <ian.pratt@xensource.com>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: "Protasevich, Natalie" <Natalie.Protasevich@UNISYS.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 		2006-06-27 17:32:37 -07:00
..
acpi Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2006-06-23 07:52:36 -07:00
cpufreq
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Makefile [PATCH] x86_64: Calgary IOMMU - Calgary specific bits 2006-06-26 10:48:19 -07:00
aperture.c [PATCH] x86_64: Calgary IOMMU - introduce iommu_detected 2006-06-26 10:48:18 -07:00
apic.c [PATCH] x86_64: fix apic error on bootup 2006-06-26 10:48:22 -07:00
asm-offsets.c [CRYPTO] all: Pass tfm instead of ctx to algorithms 2006-06-26 17:34:39 +10:00
crash.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2006-06-26 13:33:14 -07:00
crash_dump.c
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e820.c [PATCH] x86_64: Move export symbols to their C functions 2006-06-26 10:48:22 -07:00
early_printk.c [PATCH] Don't pass boot parameters to argv_init[] 2006-03-31 12:18:53 -08:00
entry.S [PATCH] x86: increase interrupt vector range 2006-06-27 17:32:37 -07:00
functionlist
…
genapic.c
…
genapic_cluster.c
…
genapic_flat.c [PATCH] x86_64: Avoid broadcasting NMI IPIs 2006-06-26 10:48:22 -07:00
head.S
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head64.c [PATCH] x86_64: Remove long obsolete CVS 2006-06-26 10:48:16 -07:00
i387.c [PATCH] x86: make i387 mxcsr_feature_mask __read_mostly 2006-06-23 07:42:57 -07:00
i8259.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2006-06-26 13:33:14 -07:00
init_task.c
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io_apic.c [PATCH] x86_64: Rename IOMMU option, fix help and mark option embedded. 2006-06-26 10:48:17 -07:00
ioport.c
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irq.c [PATCH] x86: increase interrupt vector range 2006-06-27 17:32:37 -07:00
k8.c [PATCH] x86_64: Clean and enhance up K8 northbridge access code 2006-06-26 10:48:15 -07:00
kprobes.c [PATCH] kprobes: bad manipulation of 2 byte opcode on x86_64 2006-05-21 12:59:21 -07:00
ldt.c
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machine_kexec.c Storage class should be first 2006-06-26 18:57:34 +02:00
mce.c [PATCH] x86_64: mce_amd relocate sysfs files 2006-06-26 10:48:20 -07:00
mce_amd.c [PATCH] x86_64: Mark mce_amd cpu notifier __cpuinit/__cpuinitdata 2006-06-26 10:48:20 -07:00
mce_intel.c
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module.c [PATCH] x86_64: x86_64 version of the smp alternative patch. 2006-06-26 10:48:14 -07:00
mpparse.c [PATCH] x86_64: avoid IRQ0 ioapic pin collision 2006-05-08 09:34:56 -07:00
nmi.c [PATCH] x86_64: i386/x86-64 Add nmi watchdog support for new Intel CPUs 2006-06-26 10:48:22 -07:00
pci-calgary.c [PATCH] x86_64: Calgary IOMMU - Calgary specific bits 2006-06-26 10:48:19 -07:00
pci-dma.c [PATCH] x86_64: Calgary IOMMU - Calgary specific bits 2006-06-26 10:48:19 -07:00
pci-gart.c [PATCH] x86_64: moving phys_proc_id and cpu_core_id to cpuinfo_x86 2006-06-26 10:48:19 -07:00
pci-nommu.c [PATCH] x86_64: check_addr() cleanups 2006-06-26 10:48:20 -07:00
pci-swiotlb.c [PATCH] x86_64: Calgary IOMMU - introduce iommu_detected 2006-06-26 10:48:18 -07:00
pmtimer.c [PATCH] make pmtmr_ioport __read_mostly 2006-06-26 09:58:21 -07:00
process.c [PATCH] x86_64: Move export symbols to their C functions 2006-06-26 10:48:22 -07:00
ptrace.c [PATCH] drop task argument of audit_syscall_{entry,exit} 2006-05-01 06:06:18 -04:00
reboot.c [PATCH] x86_64: Move export symbols to their C functions 2006-06-26 10:48:22 -07:00
relocate_kernel.S
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setup.c Merge branch 'x86-64' 2006-06-26 10:51:09 -07:00
setup64.c [PATCH] x86_64: Move export symbols to their C functions 2006-06-26 10:48:22 -07:00
signal.c [PATCH] x86_64: Remove bogus RED-PEN comment in signal.c 2006-06-26 10:48:20 -07:00
smp.c [PATCH] x86: increase interrupt vector range 2006-06-27 17:32:37 -07:00
smpboot.c [PATCH] x86_64: Move export symbols to their C functions 2006-06-26 10:48:22 -07:00
suspend.c
…
suspend_asm.S
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sys_x86_64.c
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syscall.c
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tce.c [PATCH] x86_64: Calgary IOMMU - Calgary specific bits 2006-06-26 10:48:19 -07:00
time.c [PATCH] x86_64: Move export symbols to their C functions 2006-06-26 10:48:22 -07:00
trampoline.S
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traps.c [PATCH] x86_64: Move export symbols to their C functions 2006-06-26 10:48:22 -07:00
vmlinux.lds.S [PATCH] x86_64: reliable stack trace support (x86-64) 2006-06-26 10:48:17 -07:00
vsmp.c
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vsyscall.c [PATCH] x86_64: fix unlikely profiling & vsyscalls on x86_64 2006-06-26 10:48:16 -07:00
x8664_ksyms.c [PATCH] x86_64: Move export symbols to their C functions 2006-06-26 10:48:22 -07:00