>>> On 08.03.18 at 17:48, wrote:
> On 08/03/18 15:53, Jan Beulich wrote:
> On 07.03.18 at 16:51, wrote:
>>> --- a/xen/arch/x86/Rules.mk
>>> +++ b/xen/arch/x86/Rules.mk
>>> @@ -29,6 +29,10 @@ $(call as-option-add,CFLAGS,CC,"invpcid
>>> (%rax)$$(comma)%rax",-DHAVE_AS_INVPCID)
>>> $(call as-op
On 08/03/18 15:53, Jan Beulich wrote:
On 07.03.18 at 16:51, wrote:
>> --- a/xen/arch/x86/Rules.mk
>> +++ b/xen/arch/x86/Rules.mk
>> @@ -29,6 +29,10 @@ $(call as-option-add,CFLAGS,CC,"invpcid
>> (%rax)$$(comma)%rax",-DHAVE_AS_INVPCID)
>> $(call as-option-add,CFLAGS,CC,\
>> ".if ((1 > 0)
>>> On 07.03.18 at 16:51, wrote:
> --- a/xen/arch/x86/Rules.mk
> +++ b/xen/arch/x86/Rules.mk
> @@ -29,6 +29,10 @@ $(call as-option-add,CFLAGS,CC,"invpcid
> (%rax)$$(comma)%rax",-DHAVE_AS_INVPCID)
> $(call as-option-add,CFLAGS,CC,\
> ".if ((1 > 0) < 0); .error \"\";.endif",,-DHAVE_AS_NEGATIV
Newer versions of binutils are capable of emitting an exact number bytes worth
of optimised nops, which are P6 nops. Use this in preference to .skip when
available, and skip optimising nops entirely when they correct for the running
hardware.
Signed-off-by: Andrew Cooper
---
CC: Jan Beulich
CC:
