Alexander Graf <agraf@xxxxxxx> writes: > On 22.08.2013, at 12:37, Aneesh Kumar K.V wrote: > >> From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> > > Isn't this you? Yes. The patches are generated using git format-patch and sent by git send-email. That's how it always created patches for me. I am not sure if there is a config I can change to avoid having From: > >> >> We should be able to copy upto count bytes > > Why? > Without this we end up doing + struct kvm_get_htab_buf { + struct kvm_get_htab_header header; + /* + * Older kernel required one extra byte. + */ + unsigned long hpte[3]; + } hpte_buf; even though we are only looking for one hpte entry. http://mid.gmane.org/1376995766-16526-4-git-send-email-aneesh.kumar@xxxxxxxxxxxxxxxxxx > > Alex > >> >> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx> >> --- >> arch/powerpc/kvm/book3s_64_mmu_hv.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c >> index 710d313..0ae6bb6 100644 >> --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c >> +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c >> @@ -1362,7 +1362,7 @@ static ssize_t kvm_htab_read(struct file *file, char __user *buf, >> lbuf = (unsigned long __user *)buf; >> >> nb = 0; >> - while (nb + sizeof(hdr) + HPTE_SIZE < count) { >> + while (nb + sizeof(hdr) + HPTE_SIZE <= count) { >> /* Initialize header */ >> hptr = (struct kvm_get_htab_header __user *)buf; >> hdr.n_valid = 0; >> @@ -1385,7 +1385,7 @@ static ssize_t kvm_htab_read(struct file *file, char __user *buf, >> /* Grab a series of valid entries */ >> while (i < kvm->arch.hpt_npte && >> hdr.n_valid < 0xffff && >> - nb + HPTE_SIZE < count && >> + nb + HPTE_SIZE <= count && >> record_hpte(flags, hptp, hpte, revp, 1, first_pass)) { >> /* valid entry, write it out */ >> ++hdr.n_valid; >> -- >> 1.8.1.2 >> -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html