Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: Sync FPU state in VIS emulation handler.
  sparc64: Fix VIS emulation bugs
  sparc: asm/bitops.h should define __fls
  sparc64: Fix bug in PTRACE_SETFPREGS64 handling.

3 files changed, 6 insertions, 3 deletions

diff --git a/arch/sparc/include/asm/bitops_32.h b/arch/sparc/include/asm/bitops_32.h
index 68b98a7e6454..9cf4ae0cd7ba 100644
--- a/arch/sparc/include/asm/bitops_32.h
+++ b/arch/sparc/include/asm/bitops_32.h
@@ -98,6 +98,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
 #include <asm-generic/bitops/sched.h>
 #include <asm-generic/bitops/ffs.h>
 #include <asm-generic/bitops/fls.h>
+#include <asm-generic/bitops/__fls.h>
 #include <asm-generic/bitops/fls64.h>
 #include <asm-generic/bitops/hweight.h>
 #include <asm-generic/bitops/lock.h>
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index f43adbc773ca..a941c610e7ce 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -1014,7 +1014,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 break;
 
         case PTRACE_SETFPREGS64:
-                ret = copy_regset_to_user(child, view, REGSET_FP,
+                ret = copy_regset_from_user(child, view, REGSET_FP,
                                           0 * sizeof(u64),
                                           33 * sizeof(u64),
                                           fps);
diff --git a/arch/sparc64/kernel/visemul.c b/arch/sparc64/kernel/visemul.c
index 9e05cb5cb855..b956fd71c131 100644
--- a/arch/sparc64/kernel/visemul.c
+++ b/arch/sparc64/kernel/visemul.c
@@ -131,7 +131,7 @@
 #define VIS_OPF_SHIFT   5
 #define VIS_OPF_MASK    (0x1ff << VIS_OPF_SHIFT)
 
-#define RS1(INSN)       (((INSN) >> 24) & 0x1f)
+#define RS1(INSN)       (((INSN) >> 14) & 0x1f)
 #define RS2(INSN)       (((INSN) >>  0) & 0x1f)
 #define RD(INSN)        (((INSN) >> 25) & 0x1f)
 
@@ -445,7 +445,7 @@ static void pdist(struct pt_regs *regs, unsigned int insn)
         unsigned long i;
 
         rs1 = fpd_regval(f, RS1(insn));
-        rs2 = fpd_regval(f, RS1(insn));
+        rs2 = fpd_regval(f, RS2(insn));
         rd = fpd_regaddr(f, RD(insn));
 
         rd_val = *rd;
@@ -807,6 +807,8 @@ int vis_emul(struct pt_regs *regs, unsigned int insn)
         if (get_user(insn, (u32 __user *) pc))
                 return -EFAULT;
 
+        save_and_clear_fpu();
+
         opf = (insn & VIS_OPF_MASK) >> VIS_OPF_SHIFT;
         switch (opf) {
         default: