Re: [PATCH v4 02/12] powerpc: move set_soft_enabled() and rename
flat view
From: Balbir Singh <bsingharora@gmail.com>
Date: 2016-12-20 09:04:02
On 19/12/16 19:06, Madhavan Srinivasan wrote:
Move set_soft_enabled() from powerpc/kernel/irq.c to
asm/hw_irq.c, to force updates to paca-soft_enabled
done via these access function. Add "memory" clobber
to hint compiler since paca->soft_enabled memory is the target
here
+static inline notrace void soft_enabled_set(unsigned long enable)
+{
+ __asm__ __volatile__("stb %0,%1(13)"
+ : : "r" (enable), "i" (offsetof(struct paca_struct, soft_enabled))
+ : "memory");
+}
+Can't we just rewrite this in "C"? local_paca->soft_enabled = enable Balbir Singh.