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Re: [PATCH v4 14/17] xen: Add xen_mr_is_memory()
- To: "Edgar E. Iglesias" <edgar.iglesias@xxxxxxxxx>, qemu-devel@xxxxxxxxxx
- From: David Hildenbrand <david@xxxxxxxxxx>
- Date: Thu, 2 May 2024 09:26:25 +0200
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- Cc: sstabellini@xxxxxxxxxx, jgross@xxxxxxxx, "Edgar E. Iglesias" <edgar.iglesias@xxxxxxx>, Anthony Perard <anthony.perard@xxxxxxxxxx>, Paul Durrant <paul@xxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Peter Xu <peterx@xxxxxxxxxx>, Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 02 May 2024 07:26:35 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 30.04.24 18:49, Edgar E. Iglesias wrote:
From: "Edgar E. Iglesias" <edgar.iglesias@xxxxxxx>
Add xen_mr_is_memory() to abstract away tests for the
xen_memory MR.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xxxxxxx>
---
[...]
#endif
diff --git a/system/physmem.c b/system/physmem.c
index ad7a8c7d95..1a5ffcba2a 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -2227,7 +2227,7 @@ static void *qemu_ram_ptr_length(RAMBlock *block,
ram_addr_t addr,
* because we don't want to map the entire memory in QEMU.
* In that case just map the requested area.
*/
- if (block->offset == 0) {
+ if (xen_mr_is_memory(block->mr)) {
return xen_map_cache(block->mr, addr, len, lock, lock,
is_write);
}
I'd have moved that into a separate patch, because this is not a simple
abstraction here.
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
--
Cheers,
David / dhildenb
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