[RFC][PATCH 07/18] x86/paravirt: Use PVOP_* for paravirt calls

From: Peter Zijlstra
Date: Mon Jun 21 2021 - 08:03:03 EST


Doing unconditional indirect calls through the pv_ops vector is weird.

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
arch/x86/include/asm/paravirt.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -52,11 +52,11 @@ void __init paravirt_set_cap(void);
/* The paravirtualized I/O functions */
static inline void slow_down_io(void)
{
- pv_ops.cpu.io_delay();
+ PVOP_VCALL0(cpu.io_delay);
#ifdef REALLY_SLOW_IO
- pv_ops.cpu.io_delay();
- pv_ops.cpu.io_delay();
- pv_ops.cpu.io_delay();
+ PVOP_VCALL0(cpu.io_delay);
+ PVOP_VCALL0(cpu.io_delay);
+ PVOP_VCALL0(cpu.io_delay);
#endif
}