anchao commented on code in PR #14761: URL: https://github.com/apache/nuttx/pull/14761#discussion_r1840126027
########## drivers/syslog/syslog_channel.c: ########## @@ -234,23 +229,31 @@ g_syslog_channel[CONFIG_SYSLOG_MAX_CHANNELS] = #ifdef CONFIG_SYSLOG_DEFAULT static int syslog_default_putc(FAR syslog_channel_t *channel, int ch) { - UNUSED(channel); - # ifdef CONFIG_ARCH_LOWPUTC + /* See https://github.com/apache/nuttx/issues/14662 + * about what this critical section is for. + */ + + irqstate_t flags = enter_critical_section(); up_putc(ch); + leave_critical_section(flags); Review Comment: But whether it is the serial driver or syslog driver, up_putc() will eventually be called, right ? TX interrupt will wake up serial driver, but the final output is still protected by up_putc(), right? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org