On Fri, 2013-08-23 at 09:01 +0530, Aneesh Kumar K.V wrote:
> 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:
Don't bother, that's perfectly fine, and git am will do the right thing.
Cheers,
Ben.
> >
> >>
> >> 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
> >>
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