[Xen-devel] [PATCH] Re: [Xen-staging] [xen-unstable] Dynamic grant-table sizing.

[Alex Williamson <alex.williamson@xxxxxx>]

On Thu, 2007-02-15 at 10:56 +0000, Xen staging patchbot-unstable wrote:
> diff -r 047b3e9f9032 -r 70f05d642a2e xen/arch/ia64/xen/mm.c
> --- a/xen/arch/ia64/xen/mm.c  Thu Feb 15 10:34:21 2007 +0000
> +++ b/xen/arch/ia64/xen/mm.c  Thu Feb 15 10:54:12 2007 +0000
> @@ -2077,8 +2077,10 @@ arch_memory_op(int op, XEN_GUEST_HANDLE(
>                  mfn = virt_to_mfn(d->shared_info);
>              break;
>          case XENMAPSPACE_grant_table:
> -            if (xatp.idx < NR_GRANT_FRAMES)
> +            spin_lock(d->grant_table->lock);
> +            if ( xatp.idx < nr_grant_frames(d->grant_table) )
>                  mfn = virt_to_mfn(d->grant_table->shared) + xatp.idx;
> +            spin_unlock(d->grant_table->lock);

Typo fix, spin_lock needs a pointer.

Signed-off-by: Alex Williamson <alex.williamson@xxxxxx>
---

diff -r 5916fc1f9b16 xen/arch/ia64/xen/mm.c
--- a/xen/arch/ia64/xen/mm.c    Thu Feb 15 14:58:43 2007 +0000
+++ b/xen/arch/ia64/xen/mm.c    Thu Feb 15 08:22:16 2007 -0700
@@ -2077,10 +2077,10 @@ arch_memory_op(int op, XEN_GUEST_HANDLE(
                 mfn = virt_to_mfn(d->shared_info);
             break;
         case XENMAPSPACE_grant_table:
-            spin_lock(d->grant_table->lock);
-            if ( xatp.idx < nr_grant_frames(d->grant_table) )
+            spin_lock(&d->grant_table->lock);
+            if (xatp.idx < nr_grant_frames(d->grant_table))
                 mfn = virt_to_mfn(d->grant_table->shared) + xatp.idx;
-            spin_unlock(d->grant_table->lock);
+            spin_unlock(&d->grant_table->lock);
             break;
         default:
             break;



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