[PATCH 03/18] hyperv-tlfs: Update struct hv_send_ipi{_ex}'s declarations
STALE745d
From: Nicolas Saenz Julienne <hidden>
Date: 2024-06-09 15:52:10
Also in:
kvm, linux-arch, linux-doc, linux-trace-kernel, lkml
Subsystem:
generic include/asm header files, the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Arnd Bergmann, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
Both 'struct hv_send_ipi' and 'struct hv_send_ipi_ex' have an 'union hv_input_vtl' parameter which has been ignored until now. Expose it, as KVM will soon provide a way of dealing with VTL-aware IPIs. While doing Also fixup __send_ipi_mask_ex(). Signed-off-by: Nicolas Saenz Julienne <redacted> --- arch/x86/hyperv/hv_apic.c | 3 +-- include/asm-generic/hyperv-tlfs.h | 6 ++++-- 2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c
index 0569f579338b5..97907371d51ef 100644
--- a/arch/x86/hyperv/hv_apic.c
+++ b/arch/x86/hyperv/hv_apic.c@@ -121,9 +121,8 @@ static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector, if (unlikely(!ipi_arg)) goto ipi_mask_ex_done; + memset(ipi_arg, 0, sizeof(*ipi_arg)); ipi_arg->vector = vector; - ipi_arg->reserved = 0; - ipi_arg->vp_set.valid_bank_mask = 0; /* * Use HV_GENERIC_SET_ALL and avoid converting cpumask to VP_SET
diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h
index ffac04bbd0c19..28cde641b5474 100644
--- a/include/asm-generic/hyperv-tlfs.h
+++ b/include/asm-generic/hyperv-tlfs.h@@ -425,14 +425,16 @@ struct hv_vpset { /* HvCallSendSyntheticClusterIpi hypercall */ struct hv_send_ipi { u32 vector; - u32 reserved; + union hv_input_vtl in_vtl; + u8 reserved[3]; u64 cpu_mask; } __packed; /* HvCallSendSyntheticClusterIpiEx hypercall */ struct hv_send_ipi_ex { u32 vector; - u32 reserved; + union hv_input_vtl in_vtl; + u8 reserved[3]; struct hv_vpset vp_set; } __packed;
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2.40.1