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[PULL,22/32] physmem: Replace check for RAMBlock offset 0 with xen_mr_is_memory

Message ID 20240604095609.12285-23-philmd@linaro.org
State New
Headers show
Series [PULL,01/32] target/riscv: Remove unused 'instmap.h' header in translate.c | expand

Commit Message

Philippe Mathieu-Daudé June 4, 2024, 9:55 a.m. UTC 
From: "Edgar E. Iglesias" <edgar.iglesias@amd.com>

For xen, when checking for the first RAM (xen_memory), use
xen_mr_is_memory() rather than checking for a RAMBlock with
offset 0.

All Xen machines create xen_memory first so this has no
functional change for existing machines.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-ID: <20240529140739.1387692-6-edgar.iglesias@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 system/physmem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/system/physmem.c b/system/physmem.c
index 5e6257ef65..b7847db1a2 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -2229,7 +2229,7 @@  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, block->offset + addr,
                                  len, lock, lock,
                                  is_write);