Avi Kivity wrote:
+static void kvm_pte_clear(struct mm_struct *mm,
+ unsigned long addr, pte_t *ptep)
+{
+pte_t pte = {0};
Surely there's a nice macro for creating a pte from an int?
Perhaps my grep'ing skills are weak, but I don't seem to see any. Were
you thinking of
Anthony Liguori wrote:
Perhaps my grep'ing skills are weak, but I don't seem to see any.
Were you thinking of something in particular?
__pte(), of course. Sheesh. ;)
J
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Jeremy Fitzhardinge wrote:
Anthony Liguori wrote:
Perhaps my grep'ing skills are weak, but I don't seem to see any.
Were you thinking of something in particular?
__pte(), of course. Sheesh. ;)
How could I have missed something that is so clearly named! :-)
Regards,
Anthony Liguori wrote:
+static int kvm_hypercall_mmu_write(struct kvm_vcpu *vcpu, gva_t addr,
+unsigned long size, unsigned long a0,
+unsigned long a1)
+{
+ gpa_t gpa = vcpu-mmu.gva_to_gpa(vcpu, addr);
+ u64 value;
+
+
Avi Kivity wrote:
Anthony Liguori wrote:
+static int kvm_hypercall_mmu_write(struct kvm_vcpu *vcpu, gva_t addr,
+ unsigned long size, unsigned long a0,
+ unsigned long a1)
+{
+gpa_t gpa = vcpu-mmu.gva_to_gpa(vcpu, addr);
+u64 value;
+
+if
Anthony Liguori wrote:
Hypercalls should return kvm-specific error codes (defined in
include/linux/kvm_para.h), not Linux error codes, as they could be
used in operating systems which have different values for E2BIG and
friends.
If Linux's errnos are stable, we could just use them and
Avi Kivity wrote:
Anthony Liguori wrote:
Hypercalls should return kvm-specific error codes (defined in
include/linux/kvm_para.h), not Linux error codes, as they could be
used in operating systems which have different values for E2BIG and
friends.
If Linux's errnos are stable, we could
Regards,
Anthony Liguori
Subject: [PATCH] KVM: Add paravirt MMU write support
Author: Anthony Liguori [EMAIL PROTECTED]
On at least AMD hardware, hypercall based manipulation of page table memory
is significantly faster than taking a page fault. Additionally, using
hypercalls to manipulation
