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[PATCH] ia64: task_pt_regs()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro
2006-01-12 01:06:06 -08:00
committed by Linus Torvalds
parent ab03591db1
commit 6450578f32
14 changed files with 56 additions and 57 deletions
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8
include/asm-ia64/system.h
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@@ -219,14 +219,14 @@ extern void ia64_load_extra (struct task_struct *task);
#define IA64_HAS_EXTRA_STATE(t) \
((t)->thread.flags & (IA64_THREAD_DBG_VALID|IA64_THREAD_PM_VALID) \
|| IS_IA32_PROCESS(ia64_task_regs(t)) || PERFMON_IS_SYSWIDE())
|| IS_IA32_PROCESS(task_pt_regs(t)) || PERFMON_IS_SYSWIDE())
#define __switch_to(prev,next,last) do { \
if (IA64_HAS_EXTRA_STATE(prev)) \
ia64_save_extra(prev); \
if (IA64_HAS_EXTRA_STATE(next)) \
ia64_load_extra(next); \
ia64_psr(ia64_task_regs(next))->dfh = !ia64_is_local_fpu_owner(next); \
ia64_psr(task_pt_regs(next))->dfh = !ia64_is_local_fpu_owner(next); \
(last) = ia64_switch_to((next)); \
} while (0)
@@ -238,8 +238,8 @@ extern void ia64_load_extra (struct task_struct *task);
* the latest fph state from another CPU. In other words: eager save, lazy restore.
*/
# define switch_to(prev,next,last) do { \
if (ia64_psr(ia64_task_regs(prev))->mfh && ia64_is_local_fpu_owner(prev)) { \
ia64_psr(ia64_task_regs(prev))->mfh = 0; \
if (ia64_psr(task_pt_regs(prev))->mfh && ia64_is_local_fpu_owner(prev)) { \
ia64_psr(task_pt_regs(prev))->mfh = 0; \
(prev)->thread.flags |= IA64_THREAD_FPH_VALID; \
__ia64_save_fpu((prev)->thread.fph); \
} \