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| author | Kukjin Kim <kgene.kim@samsung.com> | 2012-05-13 06:48:21 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-05-13 06:48:21 +0900 |
| commit | 2870f5352451a99a364a807803e4c39477264c3c (patch) | |
| tree | 11ee9795559bdc9645a0a17815611c624066c515 /arch/arm/include/asm | |
| parent | 06c77b3ce1b81163d74d9d5e904de731934e8510 (diff) | |
| parent | 5fdbdd1d4b9ec58e51092e24c231a303b38cdb94 (diff) | |
Merge branch 'next/cleanup-samsung-macro' into next/cleanup-samsung
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/thread_info.h | 7 | ||||
| -rw-r--r-- | arch/arm/include/asm/tls.h | 4 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h index d4c24d412a8..0f04d84582e 100644 --- a/arch/arm/include/asm/thread_info.h +++ b/arch/arm/include/asm/thread_info.h @@ -118,6 +118,13 @@ extern void iwmmxt_task_switch(struct thread_info *); extern void vfp_sync_hwstate(struct thread_info *); extern void vfp_flush_hwstate(struct thread_info *); +struct user_vfp; +struct user_vfp_exc; + +extern int vfp_preserve_user_clear_hwstate(struct user_vfp __user *, + struct user_vfp_exc __user *); +extern int vfp_restore_user_hwstate(struct user_vfp __user *, + struct user_vfp_exc __user *); #endif /* diff --git a/arch/arm/include/asm/tls.h b/arch/arm/include/asm/tls.h index 60843eb0f61..73409e6c025 100644 --- a/arch/arm/include/asm/tls.h +++ b/arch/arm/include/asm/tls.h @@ -7,6 +7,8 @@ .macro set_tls_v6k, tp, tmp1, tmp2 mcr p15, 0, \tp, c13, c0, 3 @ set TLS register + mov \tmp1, #0 + mcr p15, 0, \tmp1, c13, c0, 2 @ clear user r/w TLS register .endm .macro set_tls_v6, tp, tmp1, tmp2 @@ -15,6 +17,8 @@ mov \tmp2, #0xffff0fff tst \tmp1, #HWCAP_TLS @ hardware TLS available? mcrne p15, 0, \tp, c13, c0, 3 @ yes, set TLS register + movne \tmp1, #0 + mcrne p15, 0, \tmp1, c13, c0, 2 @ clear user r/w TLS register streq \tp, [\tmp2, #-15] @ set TLS value at 0xffff0ff0 .endm |