Re: [Xen-devel] [PATCH v3 5/6] x86/XPTI: reduce .text.entry

>>> On 15.03.18 at 18:10, wrote: > On 13/03/18 13:50, Jan Beulich wrote: >> --- a/xen/arch/x86/x86_64/entry.S >> +++ b/xen/arch/x86/x86_64/entry.S >> @@ -14,8 +14,6 @@ >> #include >> #include >> >> -.section .text.entry, "ax", @progbits >> - >> /* %rbx:

Re: [Xen-devel] [PATCH v3 5/6] x86/XPTI: reduce .text.entry

On 13/03/18 13:50, Jan Beulich wrote: > --- a/xen/arch/x86/x86_64/entry.S > +++ b/xen/arch/x86/x86_64/entry.S > @@ -14,8 +14,6 @@ > #include > #include > > -.section .text.entry, "ax", @progbits > - > /* %rbx: struct vcpu */ > ENTRY(switch_to_kernel) > leaq

[Xen-devel] [PATCH v3 5/6] x86/XPTI: reduce .text.entry

This exposes less code pieces and at the same time reduces the range covered from slightly above 3 pages to a little below 2 of them. The code being moved is unchanged, except for the removal of trailing blanks, insertion of blanks between operands, and a pointless q suffix from "retq". A few