On Mon, Jul 17, 2017 at 10:29:33AM -0600, Ian Lepore wrote: > I assumed the reason the efirt code was using the same mutex that > protected access to the at rtc was because under the hood, the efi rt > clock is really the same hardware too, accessed via bios code.
EFI spec states it explicitely, e.g. in the description of the GetTime() function of the Time Services interface: During runtime, if a PC-AT CMOS device is present in the platform the caller must synchronize access to the device before calling GetTime(). _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"