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Diffstat (limited to 'accel')
-rw-r--r--accel/kvm/kvm-all.c18
-rw-r--r--accel/tcg/cpu-exec.c4
-rw-r--r--accel/tcg/translate-all.c2
3 files changed, 12 insertions, 12 deletions
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index baaa54249d..389eaace72 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -745,7 +745,7 @@ static int kvm_log_clear_one_slot(KVMSlot *mem, int as_id, uint64_t start,
assert(bmap_start % BITS_PER_LONG == 0);
/* We should never do log_clear before log_sync */
assert(mem->dirty_bmap);
- if (start_delta) {
+ if (start_delta || bmap_npages - size / psize) {
/* Slow path - we need to manipulate a temp bitmap */
bmap_clear = bitmap_new(bmap_npages);
bitmap_copy_with_src_offset(bmap_clear, mem->dirty_bmap,
@@ -758,7 +758,10 @@ static int kvm_log_clear_one_slot(KVMSlot *mem, int as_id, uint64_t start,
bitmap_clear(bmap_clear, 0, start_delta);
d.dirty_bitmap = bmap_clear;
} else {
- /* Fast path - start address aligns well with BITS_PER_LONG */
+ /*
+ * Fast path - both start and size align well with BITS_PER_LONG
+ * (or the end of memory slot)
+ */
d.dirty_bitmap = mem->dirty_bmap + BIT_WORD(bmap_start);
}
@@ -2013,7 +2016,6 @@ static int kvm_init(MachineState *ms)
const KVMCapabilityInfo *missing_cap;
int ret;
int type = 0;
- const char *kvm_type;
uint64_t dirty_log_manual_caps;
s = KVM_STATE(ms->accelerator);
@@ -2069,13 +2071,11 @@ static int kvm_init(MachineState *ms)
}
s->as = g_new0(struct KVMAs, s->nr_as);
- kvm_type = qemu_opt_get(qemu_get_machine_opts(), "kvm-type");
- if (mc->kvm_type) {
+ if (object_property_find(OBJECT(current_machine), "kvm-type")) {
+ g_autofree char *kvm_type = object_property_get_str(OBJECT(current_machine),
+ "kvm-type",
+ &error_abort);
type = mc->kvm_type(ms, kvm_type);
- } else if (kvm_type) {
- ret = -EINVAL;
- fprintf(stderr, "Invalid argument kvm-type=%s\n", kvm_type);
- goto err;
}
do {
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index 58aea605d8..c2c26489c7 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -685,7 +685,7 @@ static inline void cpu_loop_exec_tb(CPUState *cpu, TranslationBlock *tb,
insns_left = MIN(0xffff, cpu->icount_budget);
cpu_neg(cpu)->icount_decr.u16.low = insns_left;
cpu->icount_extra = cpu->icount_budget - insns_left;
- if (!cpu->icount_extra) {
+ if (!cpu->icount_extra && insns_left < tb->icount) {
/* Execute any remaining instructions, then let the main loop
* handle the next event.
*/
@@ -724,7 +724,7 @@ int cpu_exec(CPUState *cpu)
/* prepare setjmp context for exception handling */
if (sigsetjmp(cpu->jmp_env, 0) != 0) {
-#if defined(__clang__) || !QEMU_GNUC_PREREQ(4, 6)
+#if defined(__clang__)
/* Some compilers wrongly smash all local variables after
* siglongjmp. There were bug reports for gcc 4.5.0 and clang.
* Reload essential local variables here for those compilers.
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 4572b4901f..b7d50a73d4 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -2379,7 +2379,7 @@ void dump_exec_info(void)
qemu_printf("Translation buffer state:\n");
/*
* Report total code size including the padding and TB structs;
- * otherwise users might think "-tb-size" is not honoured.
+ * otherwise users might think "-accel tcg,tb-size" is not honoured.
* For avg host size we use the precise numbers from tb_tree_stats though.
*/
qemu_printf("gen code size %zu/%zu\n",