[PATCH 23/60] kvm: Move kvm_vcpu sigset members to struct kvm_vcpu_common
From: Jörg Rödel <joro@8bytes.org>
Date: 2026-06-08 14:43:19
Also in:
kvm, kvm-riscv, kvmarm, linux-mips, lkml, loongarch
Subsystem:
kernel virtual machine (kvm), the rest · Maintainers:
Paolo Bonzini, Linus Torvalds
From: Joerg Roedel <redacted> These are the same across all planes for one VCPU, so make then shared. Signed-off-by: Joerg Roedel <redacted> --- include/linux/kvm_host.h | 4 ++-- virt/kvm/kvm_main.c | 18 ++++++++++++------ 2 files changed, 14 insertions(+), 8 deletions(-)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 73786712495d..9220c452aa3a 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h@@ -348,6 +348,8 @@ struct kvm_vcpu_common { struct pid *pid; rwlock_t pid_lock; + int sigset_active; + sigset_t sigset; /* Scheduling state */ #ifdef CONFIG_PREEMPT_NOTIFIERS
@@ -371,8 +373,6 @@ struct kvm_vcpu { struct kvm_run *run; - int sigset_active; - sigset_t sigset; unsigned int halt_poll_ns; u64 plane_requests;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index af3c4e0081b8..1858880ee3d3 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c@@ -3694,7 +3694,9 @@ EXPORT_SYMBOL_FOR_KVM_INTERNAL(kvm_vcpu_mark_page_dirty); void kvm_sigset_activate(struct kvm_vcpu *vcpu) { - if (!vcpu->sigset_active) + struct kvm_vcpu_common *common = vcpu->common; + + if (!common->sigset_active) return; /*
@@ -3703,12 +3705,14 @@ void kvm_sigset_activate(struct kvm_vcpu *vcpu) * ->real_blocked don't care as long ->real_blocked is always a subset * of ->blocked. */ - sigprocmask(SIG_SETMASK, &vcpu->sigset, ¤t->real_blocked); + sigprocmask(SIG_SETMASK, &common->sigset, ¤t->real_blocked); } void kvm_sigset_deactivate(struct kvm_vcpu *vcpu) { - if (!vcpu->sigset_active) + struct kvm_vcpu_common *common = vcpu->common; + + if (!common->sigset_active) return; sigprocmask(SIG_SETMASK, ¤t->real_blocked, NULL);
@@ -4391,12 +4395,14 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, unsigned long id) static int kvm_vcpu_ioctl_set_sigmask(struct kvm_vcpu *vcpu, sigset_t *sigset) { + struct kvm_vcpu_common *common = vcpu->common; + if (sigset) { sigdelsetmask(sigset, sigmask(SIGKILL)|sigmask(SIGSTOP)); - vcpu->sigset_active = 1; - vcpu->sigset = *sigset; + common->sigset_active = 1; + common->sigset = *sigset; } else - vcpu->sigset_active = 0; + common->sigset_active = 0; return 0; }
--
2.53.0