sparc64: Do not clobber %g2 in xcall_fetch_glob_regs().

[ Upstream commit a5a737e090e25981e99d69f01400e3a80356581c ]

%g2 is meant to hold the CPUID number throughout this routine, since
at the very beginning, and at the very end, we use %g2 to calculate
indexes into per-cpu arrays.

However we erroneously clobber it in order to hold the %cwp register
value mid-stream.

Fix this code to use %g3 for the %cwp read and related calulcations
instead.

Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c
index 38d48a59879c..9708851a8b9f 100644
--- a/arch/sparc/kernel/central.c
+++ b/arch/sparc/kernel/central.c
@@ -269,4 +269,4 @@ static int __init sunfire_init(void)
 	return 0;
 }
 
-subsys_initcall(sunfire_init);
+fs_initcall(sunfire_init);