* [PATCH] accel/tcg: Fix typo causing tb->page_addr[1] to not be recorded
@ 2024-06-11 21:58 Anton Johansson via
2024-06-12 5:55 ` Manos Pitsidianakis
2024-06-12 12:37 ` Philippe Mathieu-Daudé
0 siblings, 2 replies; 3+ messages in thread
From: Anton Johansson via @ 2024-06-11 21:58 UTC (permalink / raw)
To: qemu-devel; +Cc: richard.henderson
For TBs crossing page boundaries, the 2nd page will never be
recorded/removed, as the index of the 2nd page is computed from the
address of the 1st page. This is due to a typo, fix it.
Signed-off-by: Anton Johansson <anjo@rev.ng>
---
accel/tcg/tb-maint.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/accel/tcg/tb-maint.c b/accel/tcg/tb-maint.c
index 19ae6793f3..cc0f5afd47 100644
--- a/accel/tcg/tb-maint.c
+++ b/accel/tcg/tb-maint.c
@@ -713,7 +713,7 @@ static void tb_record(TranslationBlock *tb)
tb_page_addr_t paddr0 = tb_page_addr0(tb);
tb_page_addr_t paddr1 = tb_page_addr1(tb);
tb_page_addr_t pindex0 = paddr0 >> TARGET_PAGE_BITS;
- tb_page_addr_t pindex1 = paddr0 >> TARGET_PAGE_BITS;
+ tb_page_addr_t pindex1 = paddr1 >> TARGET_PAGE_BITS;
assert(paddr0 != -1);
if (unlikely(paddr1 != -1) && pindex0 != pindex1) {
@@ -745,7 +745,7 @@ static void tb_remove(TranslationBlock *tb)
tb_page_addr_t paddr0 = tb_page_addr0(tb);
tb_page_addr_t paddr1 = tb_page_addr1(tb);
tb_page_addr_t pindex0 = paddr0 >> TARGET_PAGE_BITS;
- tb_page_addr_t pindex1 = paddr0 >> TARGET_PAGE_BITS;
+ tb_page_addr_t pindex1 = paddr1 >> TARGET_PAGE_BITS;
assert(paddr0 != -1);
if (unlikely(paddr1 != -1) && pindex0 != pindex1) {
--
2.45.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] accel/tcg: Fix typo causing tb->page_addr[1] to not be recorded
2024-06-11 21:58 [PATCH] accel/tcg: Fix typo causing tb->page_addr[1] to not be recorded Anton Johansson via
@ 2024-06-12 5:55 ` Manos Pitsidianakis
2024-06-12 12:37 ` Philippe Mathieu-Daudé
1 sibling, 0 replies; 3+ messages in thread
From: Manos Pitsidianakis @ 2024-06-12 5:55 UTC (permalink / raw)
To: qemu-devel, Anton Johansson; +Cc: richard.henderson
On Wed, 12 Jun 2024 00:58, Anton Johansson via <qemu-devel@nongnu.org> wrote:
>For TBs crossing page boundaries, the 2nd page will never be
>recorded/removed, as the index of the 2nd page is computed from the
>address of the 1st page. This is due to a typo, fix it.
>
>Signed-off-by: Anton Johansson <anjo@rev.ng>
>---
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] accel/tcg: Fix typo causing tb->page_addr[1] to not be recorded
2024-06-11 21:58 [PATCH] accel/tcg: Fix typo causing tb->page_addr[1] to not be recorded Anton Johansson via
2024-06-12 5:55 ` Manos Pitsidianakis
@ 2024-06-12 12:37 ` Philippe Mathieu-Daudé
1 sibling, 0 replies; 3+ messages in thread
From: Philippe Mathieu-Daudé @ 2024-06-12 12:37 UTC (permalink / raw)
To: Anton Johansson, qemu-devel; +Cc: richard.henderson
On 11/6/24 23:58, Anton Johansson via wrote:
> For TBs crossing page boundaries, the 2nd page will never be
> recorded/removed, as the index of the 2nd page is computed from the
> address of the 1st page. This is due to a typo, fix it.
Cc: qemu-stable@nongnu.org
Fixes: deba78709a ("accel/tcg: Always lock pages before translation")
> Signed-off-by: Anton Johansson <anjo@rev.ng>
> ---
> accel/tcg/tb-maint.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2024-06-12 12:38 UTC | newest]
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2024-06-12 12:37 ` Philippe Mathieu-Daudé
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