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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-04 21:40:17 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-04 21:40:17 -0800
commit0efcafb0fb7a163999a8821e8a5e7792fca90a2d (patch)
tree649d16382e562f595ec55b2aa9ec0d8c5824629b /arch
parente948990f958c6c41036a99c8a6581e35e7e23d80 (diff)
parent410d2c8187ed969238ba98008c1d57307a56cfd8 (diff)
downloadop-kernel-dev-0efcafb0fb7a163999a8821e8a5e7792fca90a2d.zip
op-kernel-dev-0efcafb0fb7a163999a8821e8a5e7792fca90a2d.tar.gz
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.
Diffstat (limited to 'arch')
-rw-r--r--arch/sparc/include/asm/bitops_32.h1
-rw-r--r--arch/sparc64/kernel/ptrace.c2
-rw-r--r--arch/sparc64/kernel/visemul.c6
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 68b98a7e..9cf4ae0 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 f43adbc..a941c61 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 9e05cb5..b956fd7 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:
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