From: Will Deacon > Sent: 10 January 2020 16:56 ... > The rough summary of the series is: > > * Drop the GCC 4.8 workarounds, so that READ_ONCE() is a > straightforward dereference of a cast-to-volatile pointer. What is the effect of using the changed code on older compilers (esp. x86-64)? Requiring gcc > 4.8 is a significant bump. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
