From: Robert Foley <robert.foley@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.puhov@linaro.org, cota@braap.org, alex.bennee@linaro.org,
robert.foley@linaro.org
Subject: [PATCH 06/19] tcg: call qemu_spin_destroy for tb->jmp_lock
Date: Fri, 22 May 2020 12:07:42 -0400 [thread overview]
Message-ID: <20200522160755.886-7-robert.foley@linaro.org> (raw)
In-Reply-To: <20200522160755.886-1-robert.foley@linaro.org>
From: "Emilio G. Cota" <cota@braap.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Robert Foley <robert.foley@linaro.org>
[RF: Minor changes to fix some checkpatch errors]
---
accel/tcg/translate-all.c | 10 +++++++++-
include/tcg/tcg.h | 3 ++-
tcg/tcg.c | 19 ++++++++++++++++---
3 files changed, 27 insertions(+), 5 deletions(-)
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 42ce1dfcff..3708aab36b 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -384,6 +384,11 @@ static int cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb,
return 0;
}
+static void tb_destroy(TranslationBlock *tb)
+{
+ qemu_spin_destroy(&tb->jmp_lock);
+}
+
bool cpu_restore_state(CPUState *cpu, uintptr_t host_pc, bool will_exit)
{
TranslationBlock *tb;
@@ -413,6 +418,7 @@ bool cpu_restore_state(CPUState *cpu, uintptr_t host_pc, bool will_exit)
/* one-shot translation, invalidate it immediately */
tb_phys_invalidate(tb, -1);
tcg_tb_remove(tb);
+ tb_destroy(tb);
}
r = true;
}
@@ -1230,7 +1236,7 @@ static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count)
qht_reset_size(&tb_ctx.htable, CODE_GEN_HTABLE_SIZE);
page_flush_tb();
- tcg_region_reset_all();
+ tcg_region_reset_all(tb_destroy);
/* XXX: flush processor icache at this point if cache flush is
expensive */
atomic_mb_set(&tb_ctx.tb_flush_count, tb_ctx.tb_flush_count + 1);
@@ -1886,6 +1892,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
orig_aligned -= ROUND_UP(sizeof(*tb), qemu_icache_linesize);
atomic_set(&tcg_ctx->code_gen_ptr, (void *)orig_aligned);
+ tb_destroy(tb);
return existing_tb;
}
tcg_tb_insert(tb);
@@ -2235,6 +2242,7 @@ void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr)
tb_phys_invalidate(tb->orig_tb, -1);
}
tcg_tb_remove(tb);
+ tb_destroy(tb);
}
/* TODO: If env->pc != tb->pc (i.e. the faulting instruction was not
diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index c48bd76b0a..2c5997e14e 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -815,8 +815,9 @@ void *tcg_malloc_internal(TCGContext *s, int size);
void tcg_pool_reset(TCGContext *s);
TranslationBlock *tcg_tb_alloc(TCGContext *s);
+typedef void (*tb_destroy_func)(TranslationBlock *tb);
void tcg_region_init(void);
-void tcg_region_reset_all(void);
+void tcg_region_reset_all(tb_destroy_func tb_destroy);
size_t tcg_code_size(void);
size_t tcg_code_capacity(void);
diff --git a/tcg/tcg.c b/tcg/tcg.c
index a2268d9db0..2680968683 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -502,7 +502,16 @@ size_t tcg_nb_tbs(void)
return nb_tbs;
}
-static void tcg_region_tree_reset_all(void)
+static gboolean tcg_region_tree_traverse(gpointer k, gpointer v, gpointer data)
+{
+ TranslationBlock *tb = v;
+ tb_destroy_func tb_destroy = data;
+
+ tb_destroy(tb);
+ return FALSE;
+}
+
+static void tcg_region_tree_reset_all(tb_destroy_func tb_destroy)
{
size_t i;
@@ -510,6 +519,10 @@ static void tcg_region_tree_reset_all(void)
for (i = 0; i < region.n; i++) {
struct tcg_region_tree *rt = region_trees + i * tree_size;
+ if (tb_destroy != NULL) {
+ g_tree_foreach(rt->tree, tcg_region_tree_traverse, tb_destroy);
+ }
+
/* Increment the refcount first so that destroy acts as a reset */
g_tree_ref(rt->tree);
g_tree_destroy(rt->tree);
@@ -586,7 +599,7 @@ static inline bool tcg_region_initial_alloc__locked(TCGContext *s)
}
/* Call from a safe-work context */
-void tcg_region_reset_all(void)
+void tcg_region_reset_all(tb_destroy_func tb_destroy)
{
unsigned int n_ctxs = atomic_read(&n_tcg_ctxs);
unsigned int i;
@@ -603,7 +616,7 @@ void tcg_region_reset_all(void)
}
qemu_mutex_unlock(®ion.lock);
- tcg_region_tree_reset_all();
+ tcg_region_tree_reset_all(tb_destroy);
}
#ifdef CONFIG_USER_ONLY
--
2.17.1
next prev parent reply other threads:[~2020-05-22 16:18 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-22 16:07 [PATCH 00/19] Add Thread Sanitizer support to QEMU Robert Foley
2020-05-22 16:07 ` [PATCH 01/19] configure: add --enable-tsan flag + fiber annotations for coroutine-ucontext Robert Foley
2020-05-23 16:55 ` Philippe Mathieu-Daudé
2020-05-26 12:38 ` Robert Foley
2020-06-17 14:24 ` Stefan Hajnoczi
2020-06-17 15:56 ` Alex Bennée
2020-06-17 21:27 ` Robert Foley
2020-05-22 16:07 ` [PATCH 02/19] cpu: convert queued work to a QSIMPLEQ Robert Foley
2020-05-24 10:20 ` Philippe Mathieu-Daudé
2020-05-26 15:01 ` Robert Foley
2020-05-22 16:07 ` [PATCH 03/19] thread: add qemu_spin_destroy Robert Foley
2020-05-22 16:07 ` [PATCH 04/19] cputlb: destroy CPUTLB with tlb_destroy Robert Foley
2020-05-22 16:07 ` [PATCH 05/19] qht: call qemu_spin_destroy for head buckets Robert Foley
2020-05-22 16:07 ` Robert Foley [this message]
2020-05-22 16:07 ` [PATCH 07/19] translate-all: call qemu_spin_destroy for PageDesc Robert Foley
2020-05-22 16:07 ` [PATCH 08/19] thread: add tsan annotations to QemuSpin Robert Foley
2020-05-22 16:07 ` [PATCH 09/19] tests/docker: Added docker build support for TSan Robert Foley
2020-05-22 16:07 ` [PATCH 10/19] include/qemu: Added tsan.h for annotations Robert Foley
2020-05-23 17:20 ` Emilio G. Cota
2020-05-23 21:37 ` Emilio G. Cota
2020-05-22 16:07 ` [PATCH 11/19] accel/tcg: Fixed tsan warnings related to parallel_cpus Robert Foley
2020-05-23 17:21 ` Emilio G. Cota
2020-05-22 16:07 ` [PATCH 12/19] configure: added tsan support for blacklist Robert Foley
2020-05-23 17:27 ` Emilio G. Cota
2020-05-26 14:07 ` Robert Foley
2020-05-22 16:07 ` [PATCH 13/19] accel/tcg: Fixed tsan warnings Robert Foley
2020-05-23 20:06 ` Emilio G. Cota
2020-05-26 15:14 ` Robert Foley
2020-05-26 18:47 ` Paolo Bonzini
2020-05-22 16:07 ` [PATCH 14/19] util/async: " Robert Foley
2020-05-23 20:12 ` Emilio G. Cota
2020-05-26 15:19 ` Robert Foley
2020-05-26 10:32 ` Stefan Hajnoczi
2020-05-26 15:21 ` Robert Foley
2020-05-22 16:07 ` [PATCH 15/19] qht: Fix " Robert Foley
2020-05-23 20:44 ` Emilio G. Cota
2020-05-22 16:07 ` [PATCH 16/19] util: fixed tsan warnings in thread_pool.c Robert Foley
2020-05-26 20:18 ` Paolo Bonzini
2020-05-22 16:07 ` [PATCH 17/19] util: Added tsan annotate for thread name Robert Foley
2020-05-23 20:29 ` Emilio G. Cota
2020-05-22 16:07 ` [PATCH 18/19] target/arm: Fix tsan warning in cpu.c Robert Foley
2020-05-22 17:44 ` Peter Maydell
2020-05-22 21:33 ` Robert Foley
2020-05-22 22:36 ` Peter Maydell
2020-05-23 17:18 ` Emilio G. Cota
2020-05-26 14:01 ` Robert Foley
2020-05-22 16:07 ` [PATCH 19/19] docs: Added details on TSan to testing.rst Robert Foley
2020-05-23 20:29 ` Emilio G. Cota
2020-05-22 21:07 ` [PATCH 00/19] Add Thread Sanitizer support to QEMU no-reply
2020-05-23 21:36 ` Emilio G. Cota
2020-05-26 15:18 ` Robert Foley
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