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authorArnd Bergmann <arnd@arndb.de>2012-02-27 08:40:41 -0500
committerArnd Bergmann <arnd@arndb.de>2012-02-27 08:40:49 -0500
commit96a3eab338c01e172745b1686c51c1be96ce9ead (patch)
tree5a53947a192549d9edf63550258e1bddf6f1d794 /arch/arm/kernel
parentb01ee53dda8bd81855b7cda0dfb7f27d1524d87f (diff)
parenta5a928c51f807262a13e6e3412e0e1324f6b7aeb (diff)
Merge branch 'imx-cleanup' of git://git.pengutronix.de/git/imx/linux-2.6 into next/cleanup
* 'imx-cleanup' of git://git.pengutronix.de/git/imx/linux-2.6: (247 commits) ARM: Remove redundant ';' from avic_irq_set_priority() ARM: mx3: Let mx31 and mx35 share the same CCM header file ARM: plat-mxc: audmux-v1: Remove unneeded ifdef's Update to v3.3-rc3 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/entry-armv.S2
-rw-r--r--arch/arm/kernel/perf_event_v7.c28
-rw-r--r--arch/arm/kernel/ptrace.c8
-rw-r--r--arch/arm/kernel/signal.c5
4 files changed, 36 insertions, 7 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 3a456c6c7005..be16a48007b4 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -790,7 +790,7 @@ __kuser_cmpxchg64: @ 0xffff0f60
790 smp_dmb arm 790 smp_dmb arm
791 rsbs r0, r3, #0 @ set returned val and C flag 791 rsbs r0, r3, #0 @ set returned val and C flag
792 ldmfd sp!, {r4, r5, r6, r7} 792 ldmfd sp!, {r4, r5, r6, r7}
793 bx lr 793 usr_ret lr
794 794
795#elif !defined(CONFIG_SMP) 795#elif !defined(CONFIG_SMP)
796 796
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index 460bbbb6b885..6933244c68f9 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -469,6 +469,20 @@ static const unsigned armv7_a5_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
469 [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, 469 [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
470 }, 470 },
471 }, 471 },
472 [C(NODE)] = {
473 [C(OP_READ)] = {
474 [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
475 [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
476 },
477 [C(OP_WRITE)] = {
478 [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
479 [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
480 },
481 [C(OP_PREFETCH)] = {
482 [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
483 [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
484 },
485 },
472}; 486};
473 487
474/* 488/*
@@ -579,6 +593,20 @@ static const unsigned armv7_a15_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
579 [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, 593 [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
580 }, 594 },
581 }, 595 },
596 [C(NODE)] = {
597 [C(OP_READ)] = {
598 [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
599 [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
600 },
601 [C(OP_WRITE)] = {
602 [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
603 [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
604 },
605 [C(OP_PREFETCH)] = {
606 [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
607 [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
608 },
609 },
582}; 610};
583 611
584/* 612/*
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index e1d5e1929fbd..e33870ff0ac0 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -699,10 +699,13 @@ static int vfp_set(struct task_struct *target,
699{ 699{
700 int ret; 700 int ret;
701 struct thread_info *thread = task_thread_info(target); 701 struct thread_info *thread = task_thread_info(target);
702 struct vfp_hard_struct new_vfp = thread->vfpstate.hard; 702 struct vfp_hard_struct new_vfp;
703 const size_t user_fpregs_offset = offsetof(struct user_vfp, fpregs); 703 const size_t user_fpregs_offset = offsetof(struct user_vfp, fpregs);
704 const size_t user_fpscr_offset = offsetof(struct user_vfp, fpscr); 704 const size_t user_fpscr_offset = offsetof(struct user_vfp, fpscr);
705 705
706 vfp_sync_hwstate(thread);
707 new_vfp = thread->vfpstate.hard;
708
706 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, 709 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
707 &new_vfp.fpregs, 710 &new_vfp.fpregs,
708 user_fpregs_offset, 711 user_fpregs_offset,
@@ -723,9 +726,8 @@ static int vfp_set(struct task_struct *target,
723 if (ret) 726 if (ret)
724 return ret; 727 return ret;
725 728
726 vfp_sync_hwstate(thread);
727 thread->vfpstate.hard = new_vfp;
728 vfp_flush_hwstate(thread); 729 vfp_flush_hwstate(thread);
730 thread->vfpstate.hard = new_vfp;
729 731
730 return 0; 732 return 0;
731} 733}
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 0340224cf73c..9e617bd4a146 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -227,6 +227,8 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame)
227 if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE) 227 if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE)
228 return -EINVAL; 228 return -EINVAL;
229 229
230 vfp_flush_hwstate(thread);
231
230 /* 232 /*
231 * Copy the floating point registers. There can be unused 233 * Copy the floating point registers. There can be unused
232 * registers see asm/hwcap.h for details. 234 * registers see asm/hwcap.h for details.
@@ -251,9 +253,6 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame)
251 __get_user_error(h->fpinst, &frame->ufp_exc.fpinst, err); 253 __get_user_error(h->fpinst, &frame->ufp_exc.fpinst, err);
252 __get_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err); 254 __get_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err);
253 255
254 if (!err)
255 vfp_flush_hwstate(thread);
256
257 return err ? -EFAULT : 0; 256 return err ? -EFAULT : 0;
258} 257}
259 258