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From: "Emilio G. Cota" <cota@braap.org>
To: qemu-devel@nongnu.org
Cc: "Richard Henderson" <richard.henderson@linaro.org>,
	"Alex Bennée" <alex.bennee@linaro.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>
Subject: [Qemu-devel] [PATCH v3 09/17] translate-all: move tb_invalidate_phys_page_range up in the file
Date: Mon, 21 May 2018 19:39:19 -0400	[thread overview]
Message-ID: <1526945967-9687-10-git-send-email-cota@braap.org> (raw)
In-Reply-To: <1526945967-9687-1-git-send-email-cota@braap.org>

This greatly simplifies next commit's diff.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
---
 accel/tcg/translate-all.c | 77 ++++++++++++++++++++++++-----------------------
 1 file changed, 39 insertions(+), 38 deletions(-)

diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 8622f25..bd08bce 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -1365,44 +1365,6 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
 
 /*
  * Invalidate all TBs which intersect with the target physical address range
- * [start;end[. NOTE: start and end may refer to *different* physical pages.
- * '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.
- *
- * Called with mmap_lock held for user-mode emulation, grabs tb_lock
- * Called with tb_lock held for system-mode emulation
- */
-static void tb_invalidate_phys_range_1(tb_page_addr_t start, tb_page_addr_t end)
-{
-    tb_page_addr_t next;
-
-    for (next = (start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
-         start < end;
-         start = next, next += TARGET_PAGE_SIZE) {
-        tb_page_addr_t bound = MIN(next, end);
-
-        tb_invalidate_phys_page_range(start, bound, 0);
-    }
-}
-
-#ifdef CONFIG_SOFTMMU
-void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end)
-{
-    assert_tb_locked();
-    tb_invalidate_phys_range_1(start, end);
-}
-#else
-void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end)
-{
-    assert_memory_lock();
-    tb_lock();
-    tb_invalidate_phys_range_1(start, end);
-    tb_unlock();
-}
-#endif
-/*
- * 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
@@ -1500,6 +1462,45 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
 #endif
 }
 
+/*
+ * Invalidate all TBs which intersect with the target physical address range
+ * [start;end[. NOTE: start and end may refer to *different* physical pages.
+ * '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.
+ *
+ * Called with mmap_lock held for user-mode emulation, grabs tb_lock
+ * Called with tb_lock held for system-mode emulation
+ */
+static void tb_invalidate_phys_range_1(tb_page_addr_t start, tb_page_addr_t end)
+{
+    tb_page_addr_t next;
+
+    for (next = (start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
+         start < end;
+         start = next, next += TARGET_PAGE_SIZE) {
+        tb_page_addr_t bound = MIN(next, end);
+
+        tb_invalidate_phys_page_range(start, bound, 0);
+    }
+}
+
+#ifdef CONFIG_SOFTMMU
+void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end)
+{
+    assert_tb_locked();
+    tb_invalidate_phys_range_1(start, end);
+}
+#else
+void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end)
+{
+    assert_memory_lock();
+    tb_lock();
+    tb_invalidate_phys_range_1(start, end);
+    tb_unlock();
+}
+#endif
+
 #ifdef CONFIG_SOFTMMU
 /* len must be <= 8 and start must be a multiple of len.
  * Called via softmmu_template.h when code areas are written to with
-- 
2.7.4

  parent reply	other threads:[~2018-05-21 23:39 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-21 23:39 [Qemu-devel] [PATCH v3 00/17] tcg: tb_lock removal redux v3 Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 01/17] qht: require a default comparison function Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 02/17] qht: return existing entry when qht_insert fails Emilio G. Cota
2018-05-31 10:43   ` Alex Bennée
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 03/17] tcg: track TBs with per-region BST's Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 04/17] tcg: move tb_ctx.tb_phys_invalidate_count to tcg_ctx Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 05/17] translate-all: iterate over TBs in a page with PAGE_FOR_EACH_TB Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 06/17] translate-all: make l1_map lockless Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 07/17] translate-all: remove hole in PageDesc Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 08/17] translate-all: work page-by-page in tb_invalidate_phys_range_1 Emilio G. Cota
2018-05-21 23:39 ` Emilio G. Cota [this message]
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 10/17] translate-all: use per-page locking in !user-mode Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 11/17] translate-all: add page_locked assertions Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 12/17] translate-all: introduce assert_no_pages_locked Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 13/17] translate-all: discard TB when tb_link_page returns an existing matching TB Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 14/17] translate-all: protect TB jumps with a per-destination-TB lock Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 15/17] cputlb: remove tb_lock from tlb_flush functions Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 16/17] translate-all: remove tb_lock mention from cpu_restore_state_from_tb Emilio G. Cota
2018-05-21 23:39 ` [Qemu-devel] [PATCH v3 17/17] tcg: remove tb_lock Emilio G. Cota
2018-05-30 22:46 ` [Qemu-devel] [PATCH v3 00/17] tcg: tb_lock removal redux v3 Richard Henderson
2018-05-30 23:05   ` Richard Henderson
2018-06-01  9:32     ` Alex Bennée
2018-06-01 14:55       ` Richard Henderson
2018-06-02  0:29     ` Emilio G. Cota
2018-06-02  8:38       ` Alex Bennée
2018-06-14 18:34         ` Alex Bennée
2018-06-14 19:36           ` Richard Henderson
2018-06-01 15:38 ` Alex Bennée

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