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
next prev 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230710094931.84402-3-philmd@linaro.org \
--to=philmd@linaro.org \
--cc=mst@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=richard.henderson@linaro.org \
--cc=thuth@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).