From mboxrd@z Thu Jan 1 00:00:00 1970 From: H. Peter Anvin Date: Wed, 04 Jun 2014 17:10:24 -0700 Subject: [Cluster-devel] [RFC 00/32] making inode time stamps y2038 ready In-Reply-To: <8770583.6XeZxCxOY8@wuerfel> References: <1401480116-1973111-1-git-send-email-arnd@arndb.de> <201406041703.47592.arnd@arndb.de> <8770583.6XeZxCxOY8@wuerfel> Message-ID: <538FB570.8000502@zytor.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On 06/04/2014 12:24 PM, Arnd Bergmann wrote: > > For other timekeeping stuff in the kernel, I agree that using some > 64-bit representation (nanoseconds, 32/32 unsigned seconds/nanoseconds, > ...) has advantages, that's exactly the point I was making earlier > against simply extending the internal time_t/timespec to 64-bit > seconds for everything. > How much of a performance issue is it to make time_t 64 bits, and for the bits there are, how hard are they to fix? -hpa