xiaoxiang781216 commented on a change in pull request #4270:
URL: https://github.com/apache/incubator-nuttx/pull/4270#discussion_r682626021
##########
File path: libs/libc/time/lib_localtime.c
##########
@@ -2528,9 +2537,20 @@ void tzset(void)
{
FAR const char *name;
- tz_semtake(&g_lcl_sem);
-
name = getenv("TZ");
+ if (g_lcl_isset > 0 && name && strcmp(g_lcl_tzname, name) == 0)
+ {
+ return;
+ }
+
+#ifndef __KERNEL__
+ if (up_interrupt_context())
+ {
+ return;
+ }
Review comment:
I am fine with any approach, but the mainline will panic directly if you
enable both config. And you can remove localtime from syslog by lose the local
timing, but the call in driver is hard to remove.
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