Re: [Xen-devel] [PATCH 2/3] xen/x86: Query for paddr_bits in early_cpu_detect()

2015-11-03 Thread Konrad Rzeszutek Wilk
On Mon, Nov 02, 2015 at 05:59:44PM +, Andrew Cooper wrote: > It is __read_mostly, so repeatedly writing to it is suboptiomal. As the > MTRRs have already been set up, nothing good will come from its value > changing across CPUs. Reviewed-by: Konrad Rzeszutek Wilk > > Signed-off-by: Andrew C

[Xen-devel] [PATCH 2/3] xen/x86: Query for paddr_bits in early_cpu_detect()

2015-11-02 Thread Andrew Cooper
It is __read_mostly, so repeatedly writing to it is suboptiomal. As the MTRRs have already been set up, nothing good will come from its value changing across CPUs. Signed-off-by: Andrew Cooper --- CC: Jan Beulich --- xen/arch/x86/cpu/common.c | 5 +++-- 1 file changed, 3 insertions(+), 2 delet