diff options
| -rwxr-xr-x | configure | 3 | ||||
| -rw-r--r-- | exec.c | 22 | ||||
| -rw-r--r-- | trace/simple.c | 5 |
3 files changed, 18 insertions, 12 deletions
@@ -2916,7 +2916,8 @@ if test "$softmmu" = yes ; then tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)" else if test "$virtfs" = yes; then - feature_not_found "virtfs" + echo "VirtFS is supported only on Linux and requires libcap-devel and libattr-devel" + exit 1 fi virtfs=no fi @@ -1076,11 +1076,11 @@ TranslationBlock *tb_gen_code(CPUArchState *env, } /* - * invalidate all TBs which intersect with the target physical pages - * starting in 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. + * 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. */ void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end, int is_cpu_write_access) @@ -1092,11 +1092,13 @@ void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end, } } -/* invalidate all TBs which intersect with the target physical page - starting in 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 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. + */ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end, int is_cpu_write_access) { diff --git a/trace/simple.c b/trace/simple.c index 33ae48696d..b4a3c6e950 100644 --- a/trace/simple.c +++ b/trace/simple.c @@ -161,8 +161,11 @@ static void trace(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3, } timestamp = get_clock(); - +#if GLIB_CHECK_VERSION(2, 30, 0) + idx = g_atomic_int_add((gint *)&trace_idx, 1) % TRACE_BUF_LEN; +#else idx = g_atomic_int_exchange_and_add((gint *)&trace_idx, 1) % TRACE_BUF_LEN; +#endif trace_buf[idx] = (TraceRecord){ .event = event, .timestamp_ns = timestamp, |