Re: [PATCH 02/13] powerpc/64: Provide functions for accessing POWER9 partition table

On Fri, Nov 18, 2016 at 07:57:30PM +0530, Aneesh Kumar K.V wrote:

Paul Mackerras [off-list ref] writes:
 +

quoted

+	/* Global flush of TLBs and partition table caches for this lpid */
+	asm volatile("ptesync");
+	asm volatile(PPC_TLBIE_5(%0,%1,2,0,0) : : "r"(0x800), "r" (lpid));
+	asm volatile("eieio; tlbsync; ptesync" : : : "memory");
+}

It would be nice to convert that 0x800 to a documented IS value or better use
radix__flush_tlb_pid() ?

Well, not radix__flush_tlb_pid - this isn't radix and it isn't a PID
flush.  I could use TLBIEL_INVAL_SET_LPID except the name implies it's
for tlbiel and this is a tlbie.

Paul.