Re: [PATCH] x86/paravirt: use %rip-relative addressing in hook calls

2021-11-23 Thread Jan Beulich via Virtualization
On 05.10.2021 09:43, Juergen Gross wrote: > On 30.09.21 14:40, Jan Beulich via Virtualization wrote: >> While using a plain (constant) address works, its use needlessly invokes >> a SIB addressing mode, making every call site one byte larger than >> necessary. Instead of us

[PATCH] x86/paravirt: use %rip-relative addressing in hook calls

2021-09-30 Thread Jan Beulich via Virtualization
While using a plain (constant) address works, its use needlessly invokes a SIB addressing mode, making every call site one byte larger than necessary. Instead of using an "i" constraint with address-of operator and a 'c' operand modifier, simply use an ordinary "m" constraint, which the 64-bit comp