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* [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

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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

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