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linux-stable/arch/x86/kernel
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Thomas Gleixner 4447ac1195 x86/idt: Simplify alloc_intr_gate() 
The only users of alloc_intr_gate() are hypervisors, which both check the
used_vectors bitmap whether they have allocated the gate already. Move that
check into alloc_intr_gate() and simplify the users.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20170828064959.580830286@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-08-29 12:07:28 +02:00
..
acpi x86/acpi: Prevent out of bound access caused by broken ACPI tables 2017-07-20 10:27:59 +02:00
apic x86/apic: Remove the duplicated tracing versions of interrupts 2017-08-29 11:42:25 +02:00
cpu x86/idt: Simplify alloc_intr_gate() 2017-08-29 12:07:28 +02:00
fpu KVM: x86: Fix load damaged SSEx MXCSR register 2017-05-15 16:08:56 +02:00
kprobes kprobes/x86: Release insn_slot in failure path 2017-07-24 11:14:59 +02:00
.gitignore
alternative.c x86: Clarify/fix no-op barriers for text_poke_bp() 2017-08-10 17:35:19 +02:00
amd_gart_64.c x86: remove arch specific dma_supported implementation 2017-06-28 06:54:46 -07:00
amd_nb.c x86/amd_nb: Add SMN and Indirect Data Fabric access for AMD Fam17h 2016-11-16 20:46:38 +01:00
apb_timer.c Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-25 14:30:04 -08:00
aperture_64.c x86/boot/e820: Prefix the E820_* type names with "E820_TYPE_" 2017-01-28 22:55:22 +01:00
apm_32.c x86: Remap GDT tables in the fixmap section 2017-03-16 09:06:35 +01:00
asm-offsets.c efi: Get and store the secure boot status 2017-02-07 10:42:10 +01:00
asm-offsets_32.c x86/lguest: Remove lguest support 2017-08-24 09:57:28 +02:00
asm-offsets_64.c x86/kvm: Provide optimized version of vcpu_is_preempted() for x86-64 2017-02-21 12:48:35 +01:00
audit_64.c
bootflag.c
check.c
cpuid.c Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-12 19:25:04 -08:00
crash.c kexec: move vmcoreinfo out of the kernel's .bss section 2017-07-12 16:25:59 -07:00
crash_dump_32.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
crash_dump_64.c
devicetree.c x86/devicetree: Convert to using %pOF instead of ->full_name 2017-07-21 10:14:15 +02:00
doublefault.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h> 2017-03-02 08:42:34 +01:00
dumpstack.c x86/asm/32: Remove a bunch of '& 0xffff' from pt_regs segment reads 2017-07-30 12:04:41 +02:00
dumpstack_32.c x86/dumpstack: Fix interrupt and exception stack boundary checks 2017-07-18 10:56:23 +02:00
dumpstack_64.c x86/dumpstack: Fix interrupt and exception stack boundary checks 2017-07-18 10:56:23 +02:00
e820.c x86/boot/e820: Introduce the bootloader provided e820_table_firmware[] table 2017-07-05 10:09:02 +02:00
early-quirks.c main drm pull request for 4.12 kernel 2017-05-03 11:44:24 -07:00
early_printk.c x86/earlyprintk: Add support for earlyprintk via USB3 debug port 2017-03-21 12:30:16 +01:00
ebda.c
eisa.c x86/boot: Move EISA setup to a separate file 2017-08-29 11:42:22 +02:00
espfix_64.c x86/boot/64: Rename init_level4_pgt and early_level4_pgt 2017-06-13 08:56:55 +02:00
ftrace.c x86/ftrace: Make sure that ftrace trampolines are not RWX 2017-05-26 22:37:02 -04:00
ftrace_32.S x86/ftrace: Fix ebp in ftrace_regs_caller that screws up unwinder 2017-04-21 09:48:16 +02:00
ftrace_64.S x86/ftrace: Use Makefile logic instead of #ifdef for compiling ftrace_*.o 2017-03-24 10:14:08 +01:00
head32.c x86/idt: Move early IDT setup out of 32-bit asm 2017-08-29 12:07:26 +02:00
head64.c x86/idt: Move early IDT handler setup to IDT code 2017-08-29 12:07:26 +02:00
head_32.S x86/idt: Move early IDT setup out of 32-bit asm 2017-08-29 12:07:26 +02:00
head_64.S x86/boot/64: Add support of additional page table level during early boot 2017-06-13 08:56:55 +02:00
hpet.c x86/hpet: Cure interface abuse in the resume path 2017-08-01 13:02:37 +02:00
hw_breakpoint.c
i8237.c
i8253.c
i8259.c x86: i8259: export legacy_pic symbol 2017-04-14 12:08:51 +02:00
idt.c x86/idt: Simplify alloc_intr_gate() 2017-08-29 12:07:28 +02:00
io_delay.c
ioport.c Second batch of KVM changes for 4.11 merge window 2017-03-04 11:36:19 -08:00
irq.c x86/ipi: Make platform IPI depend on APIC 2017-08-29 11:42:29 +02:00
irq_32.c
irq_64.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h> 2017-03-02 08:42:36 +01:00
irq_work.c x86/irq_work: Make it depend on APIC 2017-08-29 11:42:30 +02:00
irqinit.c x86/idt: Move interrupt gate initialization to IDT code 2017-08-29 12:07:28 +02:00
itmt.c sched/x86: Remove unnecessary TBM3 check to update topology 2017-01-19 08:42:37 +01:00
jump_label.c jump_label: Reorder hotplug lock and jump_label_lock 2017-05-26 10:10:45 +02:00
kdebugfs.c x86/kdebugfs: Move boot params hierarchy under (debugfs)/x86/ 2017-03-01 09:57:02 +01:00
kexec-bzimage64.c x86/boot/e820: Rename the e820_table_firmware to e820_table_kexec 2017-07-05 10:09:02 +02:00
kgdb.c
ksysfs.c x86: Constify attribute_group structures 2017-08-18 11:30:35 +02:00
kvm.c x86/traps: Simplify pagefault tracing logic 2017-08-29 11:42:23 +02:00
kvmclock.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h> 2017-03-02 08:42:27 +01:00
ldt.c x86/ldt/64: Refresh DS and ES when modify_ldt changes an entry 2017-07-27 09:12:57 +02:00
livepatch.c
machine_kexec_32.c x86/idt: Consolidate IDT invalidation 2017-08-29 12:07:26 +02:00
machine_kexec_64.c x86/boot/64: Rename init_level4_pgt and early_level4_pgt 2017-06-13 08:56:55 +02:00
Makefile x86/idt: Create file for IDT related code 2017-08-29 12:07:25 +02:00
mmconf-fam10h_64.c
module.c x86/unwind: Add the ORC unwinder 2017-07-26 13:18:20 +02:00
mpparse.c x86/boot/e820: Rename early_reserve_e820() to e820__memblock_alloc() and document it 2017-01-28 14:42:30 +01:00
msr.c x86/msr: Remove bogus cleanup from the error path 2016-12-25 10:47:41 +01:00
nmi.c * An EDAC driver for Cavium ThunderX RAS IP (Sergey Temerkhanov) 2017-05-01 11:36:00 -07:00
nmi_selftest.c x86/nmi: Fix timeout test in test_nmi_ipi() 2017-06-20 12:52:43 +02:00
paravirt-spinlocks.c 4.11 is going to be a relatively large release for KVM, with a little over 2017-02-22 18:22:53 -08:00
paravirt.c x86/mm: Split read_cr3() into read_cr3_pa() and __read_cr3() 2017-06-13 08:48:09 +02:00
paravirt_patch_32.c x86/paravirt: Mark unused patch_default label 2016-12-22 17:43:35 +01:00
paravirt_patch_64.c x86/paravirt: Mark unused patch_default label 2016-12-22 17:43:35 +01:00
pci-calgary_64.c x86: remove arch specific dma_supported implementation 2017-06-28 06:54:46 -07:00
pci-dma.c x86: remove arch specific dma_supported implementation 2017-06-28 06:54:46 -07:00
pci-iommu_table.c
pci-nommu.c x86: remove arch specific dma_supported implementation 2017-06-28 06:54:46 -07:00
pci-swiotlb.c treewide: Constify most dma_map_ops structures 2017-01-24 12:23:35 -05:00
pcspeaker.c
perf_regs.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h> 2017-03-02 08:42:36 +01:00
platform-quirks.c x86/lguest: Remove lguest support 2017-08-24 09:57:28 +02:00
pmem.c
probe_roms.c x86/boot/e820: Move asm/e820.h to asm/e820/api.h 2017-01-28 09:31:13 +01:00
process.c arch: remove unused macro/function thread_saved_pc() 2017-06-28 16:13:57 -07:00
process_32.c x86/asm/32: Remove a bunch of '& 0xffff' from pt_regs segment reads 2017-07-30 12:04:41 +02:00
process_64.c x86/switch_to/64: Rewrite FS/GS switching yet again to fix AMD CPUs 2017-08-10 17:15:13 +02:00
ptrace.c x86/arch_prctl/64: Rename do_arch_prctl() to do_arch_prctl_64() 2017-03-20 16:10:32 +01:00
pvclock.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/nmi.h> 2017-03-02 08:42:30 +01:00
quirks.c x86/quirks: Hide maybe-uninitialized warning 2016-10-25 11:45:13 +02:00
reboot.c x86/idt: Consolidate IDT invalidation 2017-08-29 12:07:26 +02:00
reboot_fixups_32.c
relocate_kernel_32.S
relocate_kernel_64.S
resource.c x86/boot/e820: Harmonize the 'struct e820_table' fields 2017-01-28 09:33:16 +01:00
rtc.c timekeeping: Ignore the bogus sleep time if pm_trace is enabled 2016-11-29 18:02:58 +01:00
setup.c x86/idt: Switch early trap init to IDT tables 2017-08-29 12:07:27 +02:00
setup_percpu.c x86/percpu: Use static initializer for GDT entry 2017-08-29 12:07:24 +02:00
signal.c x86/asm/32: Remove a bunch of '& 0xffff' from pt_regs segment reads 2017-07-30 12:04:41 +02:00
signal_compat.c x86/signals: Fix lower/upper bound reporting in compat siginfo 2017-04-05 10:16:43 +02:00
smp.c x86/tracing: Disentangle pagefault and resched IPI tracing key 2017-08-29 11:42:29 +02:00
smpboot.c x86/smpboot: Unbreak CPU0 hotplug 2017-08-10 17:02:47 +02:00
stacktrace.c stacktrace/x86: add function for detecting reliable stack traces 2017-03-08 09:18:02 +01:00
step.c x86/asm/32: Remove a bunch of '& 0xffff' from pt_regs segment reads 2017-07-30 12:04:41 +02:00
sys_x86_64.c mm: larger stack guard gap, between vmas 2017-06-19 21:50:20 +08:00
sysfb.c
sysfb_efi.c
sysfb_simplefb.c x86/sysfb: Fix lfb_size calculation 2016-11-16 09:38:23 +01:00
tboot.c iommu/vt-d: Correctly disable Intel IOMMU force on 2017-06-15 16:41:10 +02:00
tce_64.c
time.c x86/time: Make setup_default_timer_irq() static 2017-06-13 08:42:09 +02:00
tls.c x86/asm: Replace access to desc_struct:a/b fields 2017-08-29 12:07:25 +02:00
tls.h
topology.c
trace_clock.c
tracepoint.c x86/tracing: Disentangle pagefault and resched IPI tracing key 2017-08-29 11:42:29 +02:00
traps.c x86/idt: Move regular trap init to tables 2017-08-29 12:07:27 +02:00
tsc.c Merge branch 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-07-03 18:01:50 -07:00
tsc_msr.c x86/tsc: Set TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Atom SoCs 2016-11-18 10:58:31 +01:00
tsc_sync.c x86/tsc: Remove the TSC_ADJUST clamp 2017-06-04 21:55:53 +02:00
unwind_frame.c x86/unwind: Add the ORC unwinder 2017-07-26 13:18:20 +02:00
unwind_guess.c x86/unwind: Add the ORC unwinder 2017-07-26 13:18:20 +02:00
unwind_orc.c x86/unwind: Add the ORC unwinder 2017-07-26 13:18:20 +02:00
uprobes.c
verify_cpu.S
vm86_32.c x86/vm86/32: Switch to flush_tlb_mm_range() in mark_screen_rdonly() 2017-04-26 10:02:06 +02:00
vmlinux.lds.S x86/unwind: Add the ORC unwinder 2017-07-26 13:18:20 +02:00
vsmp_64.c
x86_init.c x86/boot/e820: Rename default_machine_specific_memory_setup() to e820__memory_setup_default() 2017-01-28 14:42:26 +01:00