Author: ian
Date: Sun May 18 16:39:47 2014
New Revision: 266409
URL: http://svnweb.freebsd.org/changeset/base/266409
Log:
MFC 257231:
Make sure the PCB is aligned on 8 bytes, we may use ldrd/strd to access it,
which may have strong alignment requirements.
Modified:
stable/10/sys/arm/include/pcb.h
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/arm/include/pcb.h
==============================================================================
--- stable/10/sys/arm/include/pcb.h Sun May 18 16:17:13 2014
(r266408)
+++ stable/10/sys/arm/include/pcb.h Sun May 18 16:39:47 2014
(r266409)
@@ -80,7 +80,11 @@ struct pcb {
struct pcb_arm32 un_32;
struct vfp_state pcb_vfpstate; /* VP/NEON state */
u_int pcb_vfpcpu; /* VP/NEON last cpu */
-};
+} __aligned(8); /*
+ * We need the PCB to be aligned on 8 bytes, as we may
+ * access it using ldrd/strd, and some CPUs require it
+ * to by aligned on 8 bytes.
+ */
/*
* No additional data for core dumps.
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