svn commit: r327827 - head/sys/arm64/arm64

[Michal Meloun]

Author: mmel
Date: Thu Jan 11 15:03:01 2018
New Revision: 327827
URL: https://svnweb.freebsd.org/changeset/base/327827

Log:
  Initialize CONTEXTIDR register on secondary cores by zero,
  not with undefined value from X1 register.
  
  MFC after:	1 month

Modified:
  head/sys/arm64/arm64/locore.S

Modified: head/sys/arm64/arm64/locore.S
==============================================================================
--- head/sys/arm64/arm64/locore.S	Thu Jan 11 15:01:48 2018	(r327826)
+++ head/sys/arm64/arm64/locore.S	Thu Jan 11 15:03:01 2018	(r327827)
@@ -167,7 +167,7 @@ ENTRY(mpentry)
 	bl	drop_to_el1
 
 	/* Set the context id */
-	msr	contextidr_el1, x1
+	msr	contextidr_el1, xzr
 
 	/* Load the kernel page table */
 	adr	x24, pagetable_l0_ttbr1