diff mbox series

[v6,4/8] softmmu: xen: Always pass offset + addr to xen_map_cache

Message ID 20240516154804.1114245-5-edgar.iglesias@gmail.com
State New
Headers show
Series xen: Support grant mappings | expand

Commit Message

Edgar E. Iglesias May 16, 2024, 3:48 p.m. UTC 
From: "Edgar E. Iglesias" <edgar.iglesias@amd.com>

Always pass address with offset to xen_map_cache().
This is in preparation for support for grant mappings.

Since this is within a block that checks for offset == 0,
this has no functional changes.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
---
 system/physmem.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

David Hildenbrand May 16, 2024, 7:55 p.m. UTC | #1 
On 16.05.24 17:48, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.iglesias@amd.com>
> 
> Always pass address with offset to xen_map_cache().
> This is in preparation for support for grant mappings.
> 
> Since this is within a block that checks for offset == 0,
> this has no functional changes.
> 
> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
> ---

Reviewed-by: David Hildenbrand <david@redhat.com>
diff mbox series

Patch

diff --git a/system/physmem.c b/system/physmem.c
index 342b7a8fd4..5e6257ef65 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -2230,7 +2230,8 @@  static void *qemu_ram_ptr_length(RAMBlock *block, ram_addr_t addr,
          * In that case just map the requested area.
          */
         if (block->offset == 0) {
-            return xen_map_cache(block->mr, addr, len, lock, lock,
+            return xen_map_cache(block->mr, block->offset + addr,
+                                 len, lock, lock,
                                  is_write);
         }