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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Thomas Huth" <thuth@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>
Subject: [PATCH v3 2/6] hw/virtio: Propagate page_mask to vhost_vdpa_section_end()
Date: Mon, 10 Jul 2023 11:49:27 +0200	[thread overview]
Message-ID: <20230710094931.84402-3-philmd@linaro.org> (raw)
In-Reply-To: <20230710094931.84402-1-philmd@linaro.org>

Propagate TARGET_PAGE_MASK (see the previous commit for
rationale).

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 hw/virtio/vhost-vdpa.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index 87653bf841..3040bd8ee8 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -31,11 +31,12 @@
  * Return one past the end of the end of section. Be careful with uint64_t
  * conversions!
  */
-static Int128 vhost_vdpa_section_end(const MemoryRegionSection *section)
+static Int128 vhost_vdpa_section_end(const MemoryRegionSection *section,
+                                     int page_mask)
 {
     Int128 llend = int128_make64(section->offset_within_address_space);
     llend = int128_add(llend, section->size);
-    llend = int128_and(llend, int128_exts64(TARGET_PAGE_MASK));
+    llend = int128_and(llend, int128_exts64(page_mask));
 
     return llend;
 }
@@ -69,7 +70,7 @@ static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section,
      */
 
     if (!memory_region_is_iommu(section->mr)) {
-        llend = vhost_vdpa_section_end(section);
+        llend = vhost_vdpa_section_end(section, page_mask);
         if (int128_gt(llend, int128_make64(iova_max))) {
             error_report("RAM section out of device range (max=0x%" PRIx64
                          ", end addr=0x%" PRIx64 ")",
@@ -329,7 +330,7 @@ static void vhost_vdpa_listener_region_add(MemoryListener *listener,
     }
 
     iova = TARGET_PAGE_ALIGN(section->offset_within_address_space);
-    llend = vhost_vdpa_section_end(section);
+    llend = vhost_vdpa_section_end(section, TARGET_PAGE_MASK);
     if (int128_ge(int128_make64(iova), llend)) {
         return;
     }
@@ -411,7 +412,7 @@ static void vhost_vdpa_listener_region_del(MemoryListener *listener,
     }
 
     iova = TARGET_PAGE_ALIGN(section->offset_within_address_space);
-    llend = vhost_vdpa_section_end(section);
+    llend = vhost_vdpa_section_end(section, TARGET_PAGE_MASK);
 
     trace_vhost_vdpa_listener_region_del(v, iova,
         int128_get64(int128_sub(llend, int128_one())));
-- 
2.38.1



  parent reply	other threads:[~2023-07-10  9:50 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-10  9:49 [PATCH v3 0/6] hw/virtio: Build vhost-vdpa.o once for all targets Philippe Mathieu-Daudé
2023-07-10  9:49 ` [PATCH v3 1/6] hw/virtio: Propagate page_mask to vhost_vdpa_listener_skipped_section() Philippe Mathieu-Daudé
2023-07-10  9:49 ` Philippe Mathieu-Daudé [this message]
2023-07-10  9:49 ` [PATCH v3 3/6] hw/virtio/vhost-vdpa: Inline TARGET_PAGE_ALIGN() macro Philippe Mathieu-Daudé
2023-07-10  9:49 ` [PATCH v3 4/6] hw/virtio/vhost-vdpa: Use target-agnostic qemu_target_page_mask() Philippe Mathieu-Daudé
2023-08-18 11:00   ` Philippe Mathieu-Daudé
2023-08-25  8:11     ` Philippe Mathieu-Daudé
2023-08-29 16:50     ` Richard Henderson
2023-07-10 10:04 ` [PATCH v3 5/6] hw/virtio: Build vhost-vdpa.o once Philippe Mathieu-Daudé
2023-07-10 10:05 ` [PATCH v3 6/6] hw/virtio/meson: Rename softmmu_virtio_ss[] -> system_virtio_ss[] Philippe Mathieu-Daudé
2023-08-30 13:35 ` [PATCH v3 0/6] hw/virtio: Build vhost-vdpa.o once for all targets Philippe Mathieu-Daudé
2023-09-06  6:31   ` Philippe Mathieu-Daudé
2023-09-18 10:42     ` Philippe Mathieu-Daudé
2023-09-25 22:00       ` Michael S. Tsirkin

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