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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2025-03-25 14:47:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-03-25 14:47:04 -0700 |
| commit | a5b3d8660b049779880c790549ff3fef02f6922c (patch) | |
| tree | df07a0fd239a926a8713d22325497ac46bebd745 /arch/x86/hyperv/mmu.c | |
| parent | dce3ab4c57e662ae019c22e7c2f2aa887617beae (diff) | |
| parent | 628cc040b3a2980df6032766e8ef0688e981ab95 (diff) | |
Merge tag 'hyperv-next-signed-20250324' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu:
- Add support for running as the root partition in Hyper-V (Microsoft
Hypervisor) by exposing /dev/mshv (Nuno and various people)
- Add support for CPU offlining in Hyper-V (Hamza Mahfooz)
- Misc fixes and cleanups (Roman Kisel, Tianyu Lan, Wei Liu, Michael
Kelley, Thorsten Blum)
* tag 'hyperv-next-signed-20250324' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (24 commits)
x86/hyperv: fix an indentation issue in mshyperv.h
x86/hyperv: Add comments about hv_vpset and var size hypercall input args
Drivers: hv: Introduce mshv_root module to expose /dev/mshv to VMMs
hyperv: Add definitions for root partition driver to hv headers
x86: hyperv: Add mshv_handler() irq handler and setup function
Drivers: hv: Introduce per-cpu event ring tail
Drivers: hv: Export some functions for use by root partition module
acpi: numa: Export node_to_pxm()
hyperv: Introduce hv_recommend_using_aeoi()
arm64/hyperv: Add some missing functions to arm64
x86/mshyperv: Add support for extended Hyper-V features
hyperv: Log hypercall status codes as strings
x86/hyperv: Fix check of return value from snp_set_vmsa()
x86/hyperv: Add VTL mode callback for restarting the system
x86/hyperv: Add VTL mode emergency restart callback
hyperv: Remove unused union and structs
hyperv: Add CONFIG_MSHV_ROOT to gate root partition support
hyperv: Change hv_root_partition into a function
hyperv: Convert hypercall statuses to linux error codes
drivers/hv: add CPU offlining support
...
Diffstat (limited to 'arch/x86/hyperv/mmu.c')
| -rw-r--r-- | arch/x86/hyperv/mmu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/hyperv/mmu.c b/arch/x86/hyperv/mmu.c index 1f7c3082a36d..cfcb60468b01 100644 --- a/arch/x86/hyperv/mmu.c +++ b/arch/x86/hyperv/mmu.c @@ -205,6 +205,10 @@ static u64 hyperv_flush_tlb_others_ex(const struct cpumask *cpus, /* * We can flush not more than max_gvas with one hypercall. Flush the * whole address space if we were asked to do more. + * + * For these hypercalls, Hyper-V treats the valid_bank_mask field + * of flush->hv_vp_set as part of the fixed size input header. + * So the variable input header size is equal to nr_bank. */ max_gvas = (PAGE_SIZE - sizeof(*flush) - nr_bank * |