Wei Liu 984f57e425 x86/hyperv: check cpu mask after interrupt has been disabled ... commit ad0a6bad44 upstream. We've observed crashes due to an empty cpu mask in hyperv_flush_tlb_others. Obviously the cpu mask in question is changed between the cpumask_empty call at the beginning of the function and when it is actually used later. One theory is that an interrupt comes in between and a code path ends up changing the mask. Move the check after interrupt has been disabled to see if it fixes the issue. Signed-off-by: Wei Liu <wei.liu@kernel.org> Cc: stable@kernel.org Link: https://lore.kernel.org/r/20210105175043.28325-1-wei.liu@kernel.org Reviewed-by: Michael Kelley <mikelley@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-01-19 18:26:12 +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
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
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
ras
realmode	x86/asm/32: Add ENDs to some functions and relabel with SYM_CODE_*	2021-01-17 14:05:30 +01:00
tools
um
video
xen	x86/asm/32: Add ENDs to some functions and relabel with SYM_CODE_*	2021-01-17 14:05:30 +01:00
.gitignore
Kbuild
Kconfig
Kconfig.cpu
Kconfig.debug
Makefile
Makefile.um
Makefile_32.cpu