On Mon, Nov 21, 2011 at 9:49 AM, Ben Pfaff wrote:
> On Sat, Nov 19, 2011 at 10:20:24AM -0800, Jesse Gross wrote:
>> We currently use a seqcount to prevent reading partial 64-bit stats
>> on 32-bit CPUs. u64_stats_sync uses the same logic but elides it on
>> 64-bit and uniprocessor machines. This
On Sat, Nov 19, 2011 at 10:20:24AM -0800, Jesse Gross wrote:
> We currently use a seqcount to prevent reading partial 64-bit stats
> on 32-bit CPUs. u64_stats_sync uses the same logic but elides it on
> 64-bit and uniprocessor machines. This improves performance (primarily
> on non-x86 architectu
We currently use a seqcount to prevent reading partial 64-bit stats
on 32-bit CPUs. u64_stats_sync uses the same logic but elides it on
64-bit and uniprocessor machines. This improves performance (primarily
on non-x86 architectures) at the cost of not guaranteeing that packet
and byte counts were