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Merge branch 'entry-macro-cleanup' of git://sources.calxeda.com/kernel/linux into for-armsoc

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This commit is contained in:
Russell King
2012-02-22 22:04:41 +00:00
parent a5f17d1f4c 230f984662
commit 61b80086a5
313 changed files with 2006 additions and 2871 deletions
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5
arch/arm/kernel/entry-armv.S
View File

@@ -19,7 +19,9 @@
#include <asm/glue-df.h>
#include <asm/glue-pf.h>
#include <asm/vfpmacros.h>
#ifndef CONFIG_MULTI_IRQ_HANDLER
#include <mach/entry-macro.S>
#endif
#include <asm/thread_notify.h>
#include <asm/unwind.h>
#include <asm/unistd.h>
@@ -790,7 +792,7 @@ __kuser_cmpxchg64: @ 0xffff0f60
smp_dmb arm
rsbs r0, r3, #0 @ set returned val and C flag
ldmfd sp!, {r4, r5, r6, r7}
bx lr
usr_ret lr
#elif !defined(CONFIG_SMP)
@@ -1101,7 +1103,6 @@ __stubs_start:
* get out of that mode without clobbering one register.
*/
vector_fiq:
disable_fiq
subs pc, lr, #4
/*=============================================================================

8
arch/arm/kernel/entry-common.S
View File

@@ -10,9 +10,15 @@
#include <asm/unistd.h>
#include <asm/ftrace.h>
#include <mach/entry-macro.S>
#include <asm/unwind.h>
#ifdef CONFIG_NEED_RET_TO_USER
#include <mach/entry-macro.S>
#else
.macro arch_ret_to_user, tmp1, tmp2
.endm
#endif
#include "entry-header.S"

28
arch/arm/kernel/perf_event_v7.c
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@@ -469,6 +469,20 @@ static const unsigned armv7_a5_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
[C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
},
},
[C(NODE)] = {
[C(OP_READ)] = {
[C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
[C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
},
[C(OP_WRITE)] = {
[C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
[C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
},
[C(OP_PREFETCH)] = {
[C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
[C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
},
},
};
/*
@@ -579,6 +593,20 @@ static const unsigned armv7_a15_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
[C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
},
},
[C(NODE)] = {
[C(OP_READ)] = {
[C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
[C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
},
[C(OP_WRITE)] = {
[C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
[C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
},
[C(OP_PREFETCH)] = {
[C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED,
[C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED,
},
},
};
/*

8
arch/arm/kernel/ptrace.c
View File

@@ -699,10 +699,13 @@ static int vfp_set(struct task_struct *target,
{
int ret;
struct thread_info *thread = task_thread_info(target);
struct vfp_hard_struct new_vfp = thread->vfpstate.hard;
struct vfp_hard_struct new_vfp;
const size_t user_fpregs_offset = offsetof(struct user_vfp, fpregs);
const size_t user_fpscr_offset = offsetof(struct user_vfp, fpscr);
vfp_sync_hwstate(thread);
new_vfp = thread->vfpstate.hard;
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
&new_vfp.fpregs,
user_fpregs_offset,
@@ -723,9 +726,8 @@ static int vfp_set(struct task_struct *target,
if (ret)
return ret;
vfp_sync_hwstate(thread);
thread->vfpstate.hard = new_vfp;
vfp_flush_hwstate(thread);
thread->vfpstate.hard = new_vfp;
return 0;
}

5
arch/arm/kernel/signal.c
View File

@@ -227,6 +227,8 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame)
if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE)
return -EINVAL;
vfp_flush_hwstate(thread);
/*
* Copy the floating point registers. There can be unused
* registers see asm/hwcap.h for details.
@@ -251,9 +253,6 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame)
__get_user_error(h->fpinst, &frame->ufp_exc.fpinst, err);
__get_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err);
if (!err)
vfp_flush_hwstate(thread);
return err ? -EFAULT : 0;
}