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David Woodhouse 5fa6987258 x86/xen: Add xen_no_vector_callback option to test PCI INTX delivery
[ Upstream commit b36b0fe96a ]

It's useful to be able to test non-vector event channel delivery, to make
sure Linux will work properly on older Xen which doesn't have it.

It's also useful for those working on Xen and Xen-compatible hypervisors,
because there are guest kernels still in active use which use PCI INTX
even when vector delivery is available.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20210106153958.584169-4-dwmw2@infradead.org
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-01-27 11:47:45 +01:00
..
boot x86/asm: Replace __force_order with a memory clobber 2020-10-29 09:58:01 +01:00
configs vgacon: remove software scrollback support 2020-09-17 13:47:54 +02:00
crypto crypto: x86/crc32c - fix building with clang ias 2020-11-01 12:01:06 +01:00
entry x86/asm/32: Add ENDs to some functions and relabel with SYM_CODE_* 2021-01-17 14:05:30 +01:00
events perf/x86/intel: Fix rtm_abort_event encoding on Ice Lake 2020-12-30 11:51:35 +01:00
hyperv x86/hyperv: check cpu mask after interrupt has been disabled 2021-01-19 18:26:12 +01:00
ia32 syscalls/x86: Use COMPAT_SYSCALL_DEFINE0 for IA32 (rt_)sigreturn 2020-01-17 19:48:30 +01:00
include x86/CPU/AMD: Save AMD NodeId as cpu_die_id 2020-12-30 11:51:47 +01:00
kernel x86/resctrl: Don't move a task to the same resource group 2021-01-17 14:05:34 +01:00
kvm KVM: x86: fix shift out of bounds reported by UBSAN 2021-01-12 20:16:25 +01:00
lib x86/lib: Change .weak to SYM_FUNC_START_WEAK for arch/x86/lib/mem*_64.S 2020-12-16 10:56:55 +01:00
math-emu x86: math-emu: Fix up 'cmp' insn for clang ias 2020-07-29 10:18:40 +02:00
mm x86/mm: Fix leak of pmd ptlock 2021-01-12 20:16:22 +01:00
net bpf, x86: Fix encoding for lower 8-bit registers in BPF_STX BPF_B 2020-05-02 08:48:55 +02:00
oprofile
pci x86/PCI: Fix intel_mid_pci.c build error when ACPI is not enabled 2020-11-01 12:01:02 +01:00
platform efi/x86: Free efi_pgd with free_pages() 2020-11-24 13:29:19 +01:00
power x86/asm/32: Add ENDs to some functions and relabel with SYM_CODE_* 2021-01-17 14:05:30 +01:00
purgatory x86/purgatory: Disable various profiling and sanitizing options 2020-06-24 17:50:20 +02:00
ras RAS/CEC: Add CONFIG_RAS_CEC_DEBUG and move CEC debug features there 2019-06-08 17:39:24 +02:00
realmode x86/asm/32: Add ENDs to some functions and relabel with SYM_CODE_* 2021-01-17 14:05:30 +01:00
tools x86/insn: Fix awk regexp warnings 2019-11-29 10:09:45 +01:00
um um: Implement copy_thread_tls 2020-01-14 20:08:35 +01:00
video treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
xen x86/xen: Add xen_no_vector_callback option to test PCI INTX delivery 2021-01-27 11:47:45 +01:00
.gitignore
Kbuild treewide: Add SPDX license identifier - Kbuild 2019-05-30 11:32:33 -07:00
Kconfig x86/tsx: Add config options to set tsx=on|off|auto 2019-10-28 09:12:18 +01:00
Kconfig.cpu x86/cpu: Create Zhaoxin processors architecture support file 2019-06-22 11:45:57 +02:00
Kconfig.debug x86, perf: Fix the dependency of the x86 insn decoder selftest 2019-09-02 20:05:58 +02:00
Makefile x86/build: Add -Wnoaddress-of-packed-member to REALMODE_CFLAGS, to silence GCC9 build warning 2019-08-28 17:31:31 +02:00
Makefile.um
Makefile_32.cpu