diff mbox series

[11/24] accel/tcg: Rename tb_invalidate_phys_page_range and drop end parameter

Message ID 20221006031113.1139454-12-richard.henderson@linaro.org
State Superseded
Headers show
Series accel/tcg: Rewrite user-only vma tracking | expand

Commit Message

Richard Henderson Oct. 6, 2022, 3:11 a.m. UTC 
This function is is never called with a real range,
only for a single page.  Drop the second parameter
and rename to tb_invalidate_phys_page.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/exec/translate-all.h |  2 +-
 accel/tcg/tb-maint.c         | 15 ++++++++-------
 cpu.c                        |  4 ++--
 3 files changed, 11 insertions(+), 10 deletions(-)

Comments

Alex Bennée Oct. 25, 2022, 1:21 p.m. UTC | #1 
Richard Henderson <richard.henderson@linaro.org> writes:

> This function is is never called with a real range,
> only for a single page.  Drop the second parameter
> and rename to tb_invalidate_phys_page.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
diff mbox series

Patch

diff --git a/include/exec/translate-all.h b/include/exec/translate-all.h
index 9f646389af..3e9cb91565 100644
--- a/include/exec/translate-all.h
+++ b/include/exec/translate-all.h
@@ -29,7 +29,7 @@  void page_collection_unlock(struct page_collection *set);
 void tb_invalidate_phys_page_fast(struct page_collection *pages,
                                   tb_page_addr_t start, int len,
                                   uintptr_t retaddr);
-void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end);
+void tb_invalidate_phys_page(tb_page_addr_t addr);
 void tb_check_watchpoint(CPUState *cpu, uintptr_t retaddr);
 
 #ifdef CONFIG_USER_ONLY
diff --git a/accel/tcg/tb-maint.c b/accel/tcg/tb-maint.c
index 92170cbbc1..bac43774c0 100644
--- a/accel/tcg/tb-maint.c
+++ b/accel/tcg/tb-maint.c
@@ -565,25 +565,26 @@  tb_invalidate_phys_page_range__locked(struct page_collection *pages,
 }
 
 /*
- * Invalidate all TBs which intersect with the target physical address range
- * [start;end[. NOTE: start and end must refer to the *same* physical page.
- * 'is_cpu_write_access' should be true if called from a real cpu write
- * access: the virtual CPU will exit the current TB if code is modified inside
- * this TB.
+ * Invalidate all TBs which intersect with the target physical
+ * address page @addr.
  *
  * Called with mmap_lock held for user-mode emulation
  */
-void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end)
+void tb_invalidate_phys_page(tb_page_addr_t addr)
 {
     struct page_collection *pages;
+    tb_page_addr_t start, end;
     PageDesc *p;
 
     assert_memory_lock();
 
-    p = page_find(start >> TARGET_PAGE_BITS);
+    p = page_find(addr >> TARGET_PAGE_BITS);
     if (p == NULL) {
         return;
     }
+
+    start = addr & TARGET_PAGE_MASK;
+    end = start + TARGET_PAGE_SIZE;
     pages = page_collection_lock(start, end);
     tb_invalidate_phys_page_range__locked(pages, p, start, end, 0);
     page_collection_unlock(pages);
diff --git a/cpu.c b/cpu.c
index 14365e36f3..2a09b05205 100644
--- a/cpu.c
+++ b/cpu.c
@@ -277,7 +277,7 @@  void list_cpus(const char *optarg)
 void tb_invalidate_phys_addr(target_ulong addr)
 {
     mmap_lock();
-    tb_invalidate_phys_page_range(addr, addr + 1);
+    tb_invalidate_phys_page(addr);
     mmap_unlock();
 }
 #else
@@ -298,7 +298,7 @@  void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr, MemTxAttrs attrs)
         return;
     }
     ram_addr = memory_region_get_ram_addr(mr) + addr;
-    tb_invalidate_phys_page_range(ram_addr, ram_addr + 1);
+    tb_invalidate_phys_page(ram_addr);
 }
 #endif