On 10/28/25 06:42, Philippe Mathieu-Daudé wrote:
hv_vm_protect() arguments must be aligned to host page.

Suggested-by: Richard Henderson <[email protected]>
Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
---
  accel/hvf/hvf-all.c | 3 +++
  1 file changed, 3 insertions(+)

diff --git a/accel/hvf/hvf-all.c b/accel/hvf/hvf-all.c
index e13abddbd9c..2efecdc9f40 100644
--- a/accel/hvf/hvf-all.c
+++ b/accel/hvf/hvf-all.c
@@ -11,6 +11,7 @@
  #include "qemu/osdep.h"
  #include "qemu/error-report.h"
  #include "accel/accel-ops.h"
+#include "exec/cpu-common.h"
  #include "system/address-spaces.h"
  #include "system/memory.h"
  #include "system/hvf.h"
@@ -67,6 +68,8 @@ static void do_hv_vm_protect(hwaddr start, size_t size,
                           flags & HV_MEMORY_READ  ? 'R' : '-',
                           flags & HV_MEMORY_WRITE ? 'W' : '-',
                           flags & HV_MEMORY_EXEC  ? 'X' : '-');
+    g_assert(!((uintptr_t)start & ~qemu_real_host_page_mask()));
+    g_assert(!(size & ~qemu_real_host_page_mask()));
ret = hv_vm_protect(start, size, flags);
      assert_hvf_ok(ret);

You should call qemu_real_host_page_mask only once.
Otherwise,

Reviewed-by: Richard Henderson <[email protected]>

r~

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