diff mbox series

[v8,4/8] softmmu: xen: Always pass offset + addr to xen_map_cache

Message ID 20240529140739.1387692-5-edgar.iglesias@gmail.com (mailing list archive)
State New, archived
Headers show
Series xen: Support grant mappings | expand

Commit Message

Edgar E. Iglesias May 29, 2024, 2:07 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>
Reviewed-by: David Hildenbrand <david@redhat.com>
---
 system/physmem.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Philippe Mathieu-Daudé June 3, 2024, 3:58 p.m. UTC | #1 
On 29/5/24 16:07, 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>
> ---
>   system/physmem.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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);
         }