From: David Howells <dhowells@redhat.com>
To: torvalds@transmeta.com
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] syscall latency improvement #2 try 2
Date: Mon, 28 Jan 2002 09:25:12 +0000 [thread overview]
Message-ID: <3690.1012209912@warthog.cambridge.redhat.com> (raw)
Hi Linus,
Here's the second patch again, with more non-i386 arch's marked up.
David
diff -uNr linux-2.5.3-pre5/arch/alpha/kernel/check_asm.c linux-work-253p5/arch/alpha/kernel/check_asm.c
--- linux-2.5.3-pre5/arch/alpha/kernel/check_asm.c Tue Jan 22 09:06:50 2002
+++ linux-work-253p5/arch/alpha/kernel/check_asm.c Mon Jan 28 08:59:47 2002
@@ -12,13 +12,13 @@
printf("#define TASK_FLAGS %ld\n",
(long)offsetof(struct task_struct, flags));
printf("#define TASK_SIGPENDING %ld\n",
- (long)offsetof(struct task_struct, sigpending));
+#error (long)offsetof(struct task_struct, sigpending));
printf("#define TASK_ADDR_LIMIT %ld\n",
(long)offsetof(struct task_struct, addr_limit));
printf("#define TASK_EXEC_DOMAIN %ld\n",
(long)offsetof(struct task_struct, exec_domain));
printf("#define TASK_NEED_RESCHED %ld\n",
- (long)offsetof(struct task_struct, need_resched));
+#error (long)offsetof(struct task_struct, work.need_resched));
printf("#define TASK_SIZE %ld\n", sizeof(struct task_struct));
printf("#define STACK_SIZE %ld\n", sizeof(union task_union));
diff -uNr linux-2.5.3-pre5/arch/alpha/kernel/entry.S linux-work-253p5/arch/alpha/kernel/entry.S
--- linux-2.5.3-pre5/arch/alpha/kernel/entry.S Tue Jan 22 09:06:49 2002
+++ linux-work-253p5/arch/alpha/kernel/entry.S Mon Jan 28 09:04:30 2002
@@ -30,11 +30,11 @@
*/
#define TASK_STATE 0
#define TASK_FLAGS 8
-#define TASK_SIGPENDING 16
+#error #define TASK_SIGPENDING 16
#define TASK_ADDR_LIMIT 24
#define TASK_EXEC_DOMAIN 32
-#define TASK_NEED_RESCHED 40
-#define TASK_PTRACE 48
+#error #define TASK_NEED_RESCHED 40
+#error #define TASK_PTRACE 48
#define TASK_PROCESSOR 100
/*
@@ -580,11 +580,11 @@
and $0,8,$0
beq $0,restore_all
ret_from_reschedule:
- ldq $2,TASK_NEED_RESCHED($8)
+#error ldq $2,TASK_NEED_RESCHED($8)
lda $4,init_task_union
bne $2,reschedule
xor $4,$8,$4
- ldl $5,TASK_SIGPENDING($8)
+#error ldl $5,TASK_SIGPENDING($8)
beq $4,restore_all
bne $5,signal_return
restore_all:
diff -uNr linux-2.5.3-pre5/arch/alpha/kernel/process.c linux-work-253p5/arch/alpha/kernel/process.c
--- linux-2.5.3-pre5/arch/alpha/kernel/process.c Tue Jan 22 09:06:49 2002
+++ linux-work-253p5/arch/alpha/kernel/process.c Fri Jan 25 15:01:07 2002
@@ -82,9 +82,9 @@
/* Although we are an idle CPU, we do not want to
get into the scheduler unnecessarily. */
- long oldval = xchg(¤t->need_resched, -1UL);
+ long oldval = xchg(¤t->work.need_resched, -1UL);
if (!oldval)
- while (current->need_resched < 0);
+ while (current->work.need_resched < 0);
schedule();
check_pgt_cache();
}
diff -uNr linux-2.5.3-pre5/arch/arm/kernel/entry-common.S linux-work-253p5/arch/arm/kernel/entry-common.S
--- linux-2.5.3-pre5/arch/arm/kernel/entry-common.S Tue Jan 22 09:06:57 2002
+++ linux-work-253p5/arch/arm/kernel/entry-common.S Fri Jan 25 15:01:07 2002
@@ -34,8 +34,8 @@
* stack.
*/
ret_fast_syscall:
- ldr r1, [tsk, #TSK_NEED_RESCHED]
- ldr r2, [tsk, #TSK_SIGPENDING]
+#error ldr r1, [tsk, #TSK_NEED_RESCHED]
+#error ldr r2, [tsk, #TSK_SIGPENDING]
teq r1, #0 @ need_resched || sigpending
teqeq r2, #0
bne slow
@@ -54,8 +54,8 @@
bl SYMBOL_NAME(schedule)
ENTRY(ret_to_user)
ret_slow_syscall:
- ldr r1, [tsk, #TSK_NEED_RESCHED]
- ldr r2, [tsk, #TSK_SIGPENDING]
+#error ldr r1, [tsk, #TSK_NEED_RESCHED]
+#error ldr r2, [tsk, #TSK_SIGPENDING]
1: teq r1, #0 @ need_resched => schedule()
bne reschedule
teq r2, #0 @ sigpending => do_signal()
@@ -66,7 +66,7 @@
mov r0, #0 @ NULL 'oldset'
mov r1, sp @ 'regs'
mov r2, why @ 'syscall'
- b SYMBOL_NAME(do_signal) @ note the bl above sets lr
+#error b SYMBOL_NAME(do_signal) @ note the bl above sets lr
/*
* This is how we return from a fork. __switch_to will be calling us
@@ -82,7 +82,7 @@
beq ret_slow_syscall
mov r1, sp
mov r0, #1 @ trace exit [IP = 1]
- bl SYMBOL_NAME(syscall_trace)
+#error bl SYMBOL_NAME(syscall_trace)
b ret_slow_syscall
@@ -160,7 +160,7 @@
__sys_trace:
add r1, sp, #S_OFF
mov r0, #0 @ trace entry [IP = 0]
- bl SYMBOL_NAME(syscall_trace)
+#error bl SYMBOL_NAME(syscall_trace)
adrsvc al, lr, __sys_trace_return @ return address
add r1, sp, #S_R0 + S_OFF @ pointer to regs
@@ -173,7 +173,7 @@
str r0, [sp, #S_R0 + S_OFF]! @ save returned r0
mov r1, sp
mov r0, #1 @ trace exit [IP = 1]
- bl SYMBOL_NAME(syscall_trace)
+#error bl SYMBOL_NAME(syscall_trace)
b ret_slow_syscall
.align 5
diff -uNr linux-2.5.3-pre5/arch/arm/tools/getconstants.c linux-work-253p5/arch/arm/tools/getconstants.c
--- linux-2.5.3-pre5/arch/arm/tools/getconstants.c Tue Jan 22 09:07:03 2002
+++ linux-work-253p5/arch/arm/tools/getconstants.c Fri Jan 25 15:01:07 2002
@@ -37,10 +37,10 @@
void func(void)
{
-DEFN("TSK_SIGPENDING", OFF_TSK(sigpending));
+#error DEFN("TSK_SIGPENDING", OFF_TSK(sigpending));
DEFN("TSK_ADDR_LIMIT", OFF_TSK(addr_limit));
-DEFN("TSK_NEED_RESCHED", OFF_TSK(need_resched));
-DEFN("TSK_PTRACE", OFF_TSK(ptrace));
+#error DEFN("TSK_NEED_RESCHED", OFF_TSK(need_resched));
+#error DEFN("TSK_PTRACE", OFF_TSK(ptrace));
DEFN("TSK_USED_MATH", OFF_TSK(used_math));
DEFN("TSS_SAVE", OFF_TSK(thread.save));
diff -uNr linux-2.5.3-pre5/arch/cris/kernel/entryoffsets.c linux-work-253p5/arch/cris/kernel/entryoffsets.c
--- linux-2.5.3-pre5/arch/cris/kernel/entryoffsets.c Tue Jan 22 09:07:06 2002
+++ linux-work-253p5/arch/cris/kernel/entryoffsets.c Fri Jan 25 15:01:07 2002
@@ -33,9 +33,9 @@
VAL (NAME, offsetof (TYPE, MEMBER))
/* task_struct offsets. */
-OF (LTASK_SIGPENDING, struct task_struct, sigpending)
-OF (LTASK_NEEDRESCHED, struct task_struct, need_resched)
-OF (LTASK_PTRACE, struct task_struct, ptrace)
+#error OF (LTASK_SIGPENDING, struct task_struct, sigpending)
+#error OF (LTASK_NEEDRESCHED, struct task_struct, need_resched)
+#error OF (LTASK_PTRACE, struct task_struct, ptrace)
OF (LTASK_PID, struct task_struct, pid)
/* pt_regs offsets. */
diff -uNr linux-2.5.3-pre5/arch/ia64/kernel/entry.S linux-work-253p5/arch/ia64/kernel/entry.S
--- linux-2.5.3-pre5/arch/ia64/kernel/entry.S Tue Jan 22 09:07:04 2002
+++ linux-work-253p5/arch/ia64/kernel/entry.S Fri Jan 25 15:01:07 2002
@@ -433,7 +433,7 @@
.body
mov loc2=b6
;;
- br.call.sptk.many rp=syscall_trace
+#error br.call.sptk.many rp=syscall_trace
.ret3: mov rp=loc0
mov ar.pfs=loc1
mov b6=loc2
@@ -454,7 +454,7 @@
GLOBAL_ENTRY(ia64_trace_syscall)
PT_REGS_UNWIND_INFO(0)
- br.call.sptk.many rp=invoke_syscall_trace // give parent a chance to catch syscall args
+#error br.call.sptk.many rp=invoke_syscall_trace // give parent a chance to catch syscall args
.ret6: br.call.sptk.many rp=b6 // do the syscall
strace_check_retval:
cmp.lt p6,p0=r8,r0 // syscall failed?
@@ -467,7 +467,7 @@
.mem.offset 0,0; st8.spill [r2]=r8 // store return value in slot for r8
.mem.offset 8,0; st8.spill [r3]=r10 // clear error indication in slot for r10
ia64_strace_leave_kernel:
- br.call.sptk.many rp=invoke_syscall_trace // give parent a chance to catch return value
+#error br.call.sptk.many rp=invoke_syscall_trace // give parent a chance to catch return value
.rety: br.cond.sptk ia64_leave_kernel
strace_error:
@@ -530,14 +530,14 @@
#ifdef CONFIG_PERFMON
(pUser) ld8 r19=[r19] // load current->thread.pfm_must_block
#endif
-(pUser) ld8 r17=[r17] // load current->need_resched
-(pUser) ld4 r18=[r18] // load current->sigpending
+#error (pUser) ld8 r17=[r17] // load current->need_resched
+#error (pUser) ld4 r18=[r18] // load current->sigpending
;;
#ifdef CONFIG_PERFMON
(pUser) cmp.ne.unc p9,p0=r19,r0 // current->thread.pfm_must_block != 0?
#endif
-(pUser) cmp.ne.unc p7,p0=r17,r0 // current->need_resched != 0?
-(pUser) cmp.ne.unc p8,p0=r18,r0 // current->sigpending != 0?
+#error (pUser) cmp.ne.unc p7,p0=r17,r0 // current->need_resched != 0?
+#errror (pUser) cmp.ne.unc p8,p0=r18,r0 // current->sigpending != 0?
;;
adds r2=PT(R8)+16,r12
adds r3=PT(R9)+16,r12
@@ -816,7 +816,7 @@
.spillpsp ar.unat, 16 // (note that offset is relative to psp+0x10!)
st8 [sp]=r9,-16 // allocate space for ar.unat and save it
.body
- br.call.sptk.many rp=ia64_do_signal
+#error br.call.sptk.many rp=ia64_do_signal
.ret15: .restore sp
adds sp=16,sp // pop scratch stack space
;;
diff -uNr linux-2.5.3-pre5/arch/ia64/tools/print_offsets.c linux-work-253p5/arch/ia64/tools/print_offsets.c
--- linux-2.5.3-pre5/arch/ia64/tools/print_offsets.c Tue Jan 22 09:07:05 2002
+++ linux-work-253p5/arch/ia64/tools/print_offsets.c Fri Jan 25 15:01:07 2002
@@ -51,9 +51,9 @@
{ "SIGFRAME_SIZE", sizeof (struct sigframe) },
{ "UNW_FRAME_INFO_SIZE", sizeof (struct unw_frame_info) },
{ "", 0 }, /* spacer */
- { "IA64_TASK_PTRACE_OFFSET", offsetof (struct task_struct, ptrace) },
- { "IA64_TASK_SIGPENDING_OFFSET", offsetof (struct task_struct, sigpending) },
- { "IA64_TASK_NEED_RESCHED_OFFSET", offsetof (struct task_struct, need_resched) },
+#error { "IA64_TASK_PTRACE_OFFSET", offsetof (struct task_struct, ptrace) },
+#error { "IA64_TASK_SIGPENDING_OFFSET", offsetof (struct task_struct, sigpending) },
+#error { "IA64_TASK_NEED_RESCHED_OFFSET", offsetof (struct task_struct, need_resched) },
{ "IA64_TASK_PROCESSOR_OFFSET", offsetof (struct task_struct, processor) },
{ "IA64_TASK_THREAD_OFFSET", offsetof (struct task_struct, thread) },
{ "IA64_TASK_THREAD_KSP_OFFSET", offsetof (struct task_struct, thread.ksp) },
diff -uNr linux-2.5.3-pre5/arch/m68k/kernel/m68k_defs.c linux-work-253p5/arch/m68k/kernel/m68k_defs.c
--- linux-2.5.3-pre5/arch/m68k/kernel/m68k_defs.c Tue Jan 22 09:06:55 2002
+++ linux-work-253p5/arch/m68k/kernel/m68k_defs.c Fri Jan 25 15:01:07 2002
@@ -25,8 +25,8 @@
DEFINE(TASK_STATE, offsetof(struct task_struct, state));
DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
- DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, sigpending));
- DEFINE(TASK_NEEDRESCHED, offsetof(struct task_struct, need_resched));
+#error DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, work.sigpending));
+#error DEFINE(TASK_NEEDRESCHED, offsetof(struct task_struct, work.need_resched));
DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
DEFINE(TASK_MM, offsetof(struct task_struct, mm));
DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
diff -uNr linux-2.5.3-pre5/arch/mips/kernel/entry.S linux-work-253p5/arch/mips/kernel/entry.S
--- linux-2.5.3-pre5/arch/mips/kernel/entry.S Tue Jan 22 09:06:51 2002
+++ linux-work-253p5/arch/mips/kernel/entry.S Fri Jan 25 15:01:07 2002
@@ -36,7 +36,7 @@
EXPORT(ret_from_fork)
move a0, v0 # prev
jal schedule_tail
- lw t0, TASK_PTRACE($28) # syscall tracing enabled?
+#error lw t0, TASK_PTRACE($28) # syscall tracing enabled?
andi t0, PT_TRACESYS
bnez t0, tracesys_exit
j ret_from_sys_call
@@ -62,8 +62,8 @@
mtc0 t0, CP0_STATUS
nop; nop; nop
- lw v0, TASK_NEED_RESCHED($28)
- lw v1, TASK_SIGPENDING($28)
+#error lw v0, TASK_NEED_RESCHED($28)
+#error lw v1, TASK_SIGPENDING($28)
bnez v0, reschedule
bnez v1, signal_return
restore_all: .set noat
@@ -80,7 +80,7 @@
move a0, zero
move a1, sp
- jal do_signal
+#error jal do_signal
b restore_all
/*
diff -uNr linux-2.5.3-pre5/arch/mips/kernel/scall_o32.S linux-work-253p5/arch/mips/kernel/scall_o32.S
--- linux-2.5.3-pre5/arch/mips/kernel/scall_o32.S Tue Jan 22 09:06:51 2002
+++ linux-work-253p5/arch/mips/kernel/scall_o32.S Fri Jan 25 15:01:07 2002
@@ -49,7 +49,7 @@
stack_done:
sw a3, PT_R26(sp) # save for syscall restart
- lw t0, TASK_PTRACE($28) # syscall tracing enabled?
+#error lw t0, TASK_PTRACE($28) # syscall tracing enabled?
andi t0, PT_TRACESYS
bnez t0, trace_a_syscall
@@ -70,9 +70,9 @@
xori t0, t0, 1
mtc0 t0, CP0_STATUS
- lw t2, TASK_NEED_RESCHED($28)
+#error lw t2, TASK_NEED_RESCHED($28)
bnez t2, o32_reschedule
- lw v0, TASK_SIGPENDING($28)
+#error lw v0, TASK_SIGPENDING($28)
bnez v0, signal_return
restore_all:
RESTORE_SOME
@@ -88,7 +88,7 @@
move a0, zero
move a1, sp
- jal do_signal
+#error jal do_signal
b restore_all
o32_reschedule:
@@ -101,7 +101,7 @@
trace_a_syscall:
SAVE_STATIC
sw t2, PT_R1(sp)
- jal syscall_trace
+#error jal syscall_trace
lw t2, PT_R1(sp)
lw a0, PT_R4(sp) # Restore argument registers
@@ -119,7 +119,7 @@
sw v0, PT_R0(sp) # set flag for syscall restarting
1: sw v0, PT_R2(sp) # result
- jal syscall_trace
+#error jal syscall_trace
j ret_from_sys_call
/* ------------------------------------------------------------------------ */
diff -uNr linux-2.5.3-pre5/arch/mips/kernel/smp.c linux-work-253p5/arch/mips/kernel/smp.c
--- linux-2.5.3-pre5/arch/mips/kernel/smp.c Tue Jan 22 09:06:51 2002
+++ linux-work-253p5/arch/mips/kernel/smp.c Fri Jan 25 15:01:07 2002
@@ -179,7 +179,7 @@
static void reschedule_this_cpu(void *dummy)
{
- current->need_resched = 1;
+ current->work.need_resched = 1;
}
void FASTCALL(smp_send_reschedule(int cpu))
diff -uNr linux-2.5.3-pre5/arch/mips/tools/offset.c linux-work-253p5/arch/mips/tools/offset.c
--- linux-2.5.3-pre5/arch/mips/tools/offset.c Tue Jan 22 09:06:51 2002
+++ linux-work-253p5/arch/mips/tools/offset.c Fri Jan 25 15:01:07 2002
@@ -79,9 +79,9 @@
text("/* MIPS task_struct offsets. */");
offset("#define TASK_STATE ", struct task_struct, state);
offset("#define TASK_FLAGS ", struct task_struct, flags);
- offset("#define TASK_SIGPENDING ", struct task_struct, sigpending);
- offset("#define TASK_NEED_RESCHED ", struct task_struct, need_resched);
- offset("#define TASK_PTRACE ", struct task_struct, ptrace);
+#error offset("#define TASK_SIGPENDING ", struct task_struct, work.sigpending);
+#error offset("#define TASK_NEED_RESCHED ", struct task_struct, work.need_resched);
+#error offset("#define TASK_PTRACE ", struct task_struct, ptrace);
offset("#define TASK_COUNTER ", struct task_struct, counter);
offset("#define TASK_NICE ", struct task_struct, nice);
offset("#define TASK_MM ", struct task_struct, mm);
diff -uNr linux-2.5.3-pre5/arch/mips64/kernel/entry.S linux-work-253p5/arch/mips64/kernel/entry.S
--- linux-2.5.3-pre5/arch/mips64/kernel/entry.S Tue Jan 22 09:07:05 2002
+++ linux-work-253p5/arch/mips64/kernel/entry.S Fri Jan 25 15:01:07 2002
@@ -17,7 +17,7 @@
#include <asm/stackframe.h>
/* This duplicates the definition from <linux/sched.h> */
-#define PT_TRACESYS 0x00000002 /* tracing system calls */
+#error #define PT_TRACESYS 0x00000002 /* tracing system calls */
#define KU_USER 0x10
@@ -26,8 +26,8 @@
FEXPORT(ret_from_fork)
move a0, v0 # prev
jal schedule_tail
- lw t0, TASK_PTRACE($28) # syscall tracing enabled?
- andi t0, PT_TRACESYS
+#error lw t0, TASK_PTRACE($28) # syscall tracing enabled?
+#error andi t0, PT_TRACESYS
bnez t0, tracesys_exit
j ret_from_sys_call
@@ -50,8 +50,8 @@
xori t0, t0, 1
mtc0 t0, CP0_STATUS
- ld v0, TASK_NEED_RESCHED($28)
- lw v1, TASK_SIGPENDING($28)
+#error ld v0, TASK_NEED_RESCHED($28)
+#error lw v1, TASK_SIGPENDING($28)
bnez v0, reschedule
bnez v1, signal_return
diff -uNr linux-2.5.3-pre5/arch/mips64/kernel/scall_64.S linux-work-253p5/arch/mips64/kernel/scall_64.S
--- linux-2.5.3-pre5/arch/mips64/kernel/scall_64.S Tue Jan 22 09:07:05 2002
+++ linux-work-253p5/arch/mips64/kernel/scall_64.S Mon Jan 28 09:01:46 2002
@@ -69,9 +69,9 @@
ori t0, t0, 1
mtc0 t0, CP0_STATUS
- ld t2, TASK_NEED_RESCHED($28)
+#error ld t2, TASK_NEED_RESCHED($28)
bnez t2, reschedule
- lw v0, TASK_SIGPENDING($28)
+#error lw v0, TASK_SIGPENDING($28)
bnez v0, signal_return
restore_all:
diff -uNr linux-2.5.3-pre5/arch/mips64/kernel/scall_o32.S linux-work-253p5/arch/mips64/kernel/scall_o32.S
--- linux-2.5.3-pre5/arch/mips64/kernel/scall_o32.S Tue Jan 22 09:07:05 2002
+++ linux-work-253p5/arch/mips64/kernel/scall_o32.S Fri Jan 25 15:01:07 2002
@@ -22,7 +22,7 @@
#include <asm/sysmips.h>
/* This duplicates the definition from <linux/sched.h> */
-#define PT_TRACESYS 0x00000002 /* tracing system calls */
+#error #define PT_TRACESYS 0x00000002 /* tracing system calls */
/* This duplicates the definition from <asm/signal.h> */
#define SIGILL 4 /* Illegal instruction (ANSI). */
@@ -54,8 +54,8 @@
bgez t0, stackargs
stack_done:
- ld t0, TASK_PTRACE($28) # syscall tracing enabled?
- andi t0, PT_TRACESYS
+#error ld t0, TASK_PTRACE($28) # syscall tracing enabled?
+#error andi t0, PT_TRACESYS
bnez t0, trace_a_syscall
jalr t2 # Do The Real Thing (TM)
@@ -75,9 +75,9 @@
xori t0, t0, 1
mtc0 t0, CP0_STATUS
- ld t2, TASK_NEED_RESCHED($28)
+#error ld t2, TASK_NEED_RESCHED($28)
bnez t2, o32_reschedule
- lw v0, TASK_SIGPENDING($28)
+#error lw v0, TASK_SIGPENDING($28)
bnez v0, signal_return
restore_all: RESTORE_SOME
@@ -92,7 +92,7 @@
move a0, zero
move a1, sp
SAVE_STATIC
- jal do_signal
+#error jal do_signal
o32_reschedule:
SAVE_STATIC
@@ -130,7 +130,7 @@
sd v0, PT_R0(sp) # set flag for syscall restarting
1: sd v0, PT_R2(sp) # result
- jal syscall_trace
+#error jal syscall_trace
j o32_ret_from_sys_call
/* ------------------------------------------------------------------------ */
@@ -213,13 +213,13 @@
1: sd v0, PT_R2(sp) # result
/* Success, so skip usual error handling garbage. */
- ld t0, TASK_PTRACE($28) # syscall tracing enabled?
- andi t0, PT_TRACESYS
+#error ld t0, TASK_PTRACE($28) # syscall tracing enabled?
+#error andi t0, PT_TRACESYS
bnez t0, 1f
b o32_ret_from_sys_call
1: SAVE_STATIC
- jal syscall_trace
+#error jal syscall_trace
li a3, 0 # success
j ret_from_sys_call
diff -uNr linux-2.5.3-pre5/arch/mips64/tools/offset.c linux-work-253p5/arch/mips64/tools/offset.c
--- linux-2.5.3-pre5/arch/mips64/tools/offset.c Tue Jan 22 09:07:05 2002
+++ linux-work-253p5/arch/mips64/tools/offset.c Fri Jan 25 15:01:07 2002
@@ -76,9 +76,9 @@
text("/* MIPS task_struct offsets. */");
offset("#define TASK_STATE ", struct task_struct, state);
offset("#define TASK_FLAGS ", struct task_struct, flags);
- offset("#define TASK_SIGPENDING ", struct task_struct, sigpending);
- offset("#define TASK_NEED_RESCHED ", struct task_struct, need_resched);
- offset("#define TASK_PTRACE ", struct task_struct, ptrace);
+#error offset("#define TASK_SIGPENDING ", struct task_struct, sigpending);
+#error offset("#define TASK_NEED_RESCHED ", struct task_struct, need_resched);
+#error offset("#define TASK_PTRACE ", struct task_struct, ptrace);
offset("#define TASK_COUNTER ", struct task_struct, counter);
offset("#define TASK_NICE ", struct task_struct, nice);
offset("#define TASK_MM ", struct task_struct, mm);
diff -uNr linux-2.5.3-pre5/arch/parisc/kernel/entry.S linux-work-253p5/arch/parisc/kernel/entry.S
--- linux-2.5.3-pre5/arch/parisc/kernel/entry.S Tue Jan 22 09:07:06 2002
+++ linux-work-253p5/arch/parisc/kernel/entry.S Fri Jan 25 15:01:07 2002
@@ -650,14 +650,14 @@
copy %r30,%r1
/* FIXME! depi below has hardcoded dependency on kernel stack size */
depi 0,31,14,%r1 /* get task pointer */
- LDREG TASK_NEED_RESCHED(%r1),%r19 /* sched.h: long need_resched */
+#error LDREG TASK_NEED_RESCHED(%r1),%r19 /* sched.h: long need_resched */
comib,<>,n 0,%r19,intr_do_resched /* forward */
intr_check_sig:
/* As above */
copy %r30,%r1
depi 0,31,14,%r1 /* get task pointer */
- ldw TASK_SIGPENDING(%r1),%r19 /* sched.h: int sigpending */
+#error ldw TASK_SIGPENDING(%r1),%r19 /* sched.h: int sigpending */
comib,<>,n 0,%r19,intr_do_signal /* forward */
intr_restore:
@@ -719,7 +719,7 @@
copy %r0, %r24 /* unsigned long in_syscall */
copy %r16, %r25 /* struct pt_regs *regs */
ssm PSW_SM_I, %r0
- bl do_signal,%r2
+#error bl do_signal,%r2
copy %r0, %r26 /* sigset_t *oldset = NULL */
b intr_restore
@@ -1699,20 +1699,20 @@
/* check for reschedule */
- LDREG TASK_NEED_RESCHED-TASK_SZ_ALGN-FRAME_SIZE(%r30),%r19 /* long */
+#error LDREG TASK_NEED_RESCHED-TASK_SZ_ALGN-FRAME_SIZE(%r30),%r19 /* long */
comib,<>,n 0,%r19,syscall_do_resched /* forward */
syscall_check_sig:
ldo -TASK_SZ_ALGN-FRAME_SIZE(%r30),%r1 /* get task ptr */
/* check for pending signals */
- ldw TASK_SIGPENDING(%r1),%r19
+#error ldw TASK_SIGPENDING(%r1),%r19
comib,<>,n 0,%r19,syscall_do_signal /* forward */
syscall_restore:
/* disable interrupts while dicking with the kernel stack, */
/* or life can become unpleasant */
rsm PSW_SM_I, %r20
- LDREG TASK_PTRACE(%r1), %r19 /* Are we being ptraced? */
+#error LDREG TASK_PTRACE(%r1), %r19 /* Are we being ptraced? */
bb,<,n %r19,31,syscall_restore_rfi
LDREG TASK_PT_GR20(%r1),%r19
mtctl %r19, %cr27
@@ -1840,7 +1840,7 @@
ldi 1, %r24 /* unsigned long in_syscall */
- bl do_signal,%r2
+#error bl do_signal,%r2
copy %r0, %r26 /* sigset_t *oldset = NULL */
ldo -TASK_SZ_ALGN-FRAME_SIZE(%r30), %r1 /* reload task ptr */
diff -uNr linux-2.5.3-pre5/arch/parisc/tools/offset.c linux-work-253p5/arch/parisc/tools/offset.c
--- linux-2.5.3-pre5/arch/parisc/tools/offset.c Tue Jan 22 09:07:06 2002
+++ linux-work-253p5/arch/parisc/tools/offset.c Fri Jan 25 15:01:07 2002
@@ -241,11 +241,11 @@
text("/* PARISC task_struct offsets. */");
offset("#define TASK_STATE ", struct task_struct, state);
offset("#define TASK_FLAGS ", struct task_struct, flags);
- offset("#define TASK_SIGPENDING ", struct task_struct, sigpending);
+#error offset("#define TASK_SIGPENDING ", struct task_struct, sigpending);
offset("#define TASK_SEGMENT ", struct task_struct, addr_limit);
- offset("#define TASK_NEED_RESCHED ", struct task_struct, need_resched);
+#error offset("#define TASK_NEED_RESCHED ", struct task_struct, need_resched);
offset("#define TASK_COUNTER ", struct task_struct, counter);
- offset("#define TASK_PTRACE ", struct task_struct, ptrace);
+#error offset("#define TASK_PTRACE ", struct task_struct, ptrace);
offset("#define TASK_NICE ", struct task_struct, nice);
offset("#define TASK_MM ", struct task_struct, mm);
offset("#define TASK_PROCESSOR ", struct task_struct, processor);
diff -uNr linux-2.5.3-pre5/arch/ppc/kernel/entry.S linux-work-253p5/arch/ppc/kernel/entry.S
--- linux-2.5.3-pre5/arch/ppc/kernel/entry.S Tue Jan 22 09:06:53 2002
+++ linux-work-253p5/arch/ppc/kernel/entry.S Fri Jan 25 15:01:07 2002
@@ -261,9 +261,9 @@
.globl ret_from_fork
ret_from_fork:
bl schedule_tail
- lwz r0,TASK_PTRACE(r2)
+#error lwz r0,TASK_PTRACE(r2)
andi. r0,r0,PT_TRACESYS
- bnel- syscall_trace
+#error bnel- syscall_trace
b ret_from_except
.globl ret_from_intercept
@@ -279,16 +279,16 @@
lwz r3,_MSR(r1) /* Returning to user mode? */
andi. r3,r3,MSR_PR
beq+ do_signal_ret /* if so, check need_resched and signals */
- lwz r3,NEED_RESCHED(r2)
+#error lwz r3,NEED_RESCHED(r2)
cmpi 0,r3,0 /* check need_resched flag */
beq+ 7f
bl schedule
-7: lwz r5,SIGPENDING(r2) /* Check for pending unblocked signals */
+#error 7: lwz r5,SIGPENDING(r2) /* Check for pending unblocked signals */
cmpwi 0,r5,0
beq+ do_signal_ret
li r3,0
addi r4,r1,STACK_FRAME_OVERHEAD
- bl do_signal
+#error bl do_signal
.globl do_signal_ret
do_signal_ret:
.globl ret_to_user_hook
diff -uNr linux-2.5.3-pre5/arch/ppc/kernel/mk_defs.c linux-work-253p5/arch/ppc/kernel/mk_defs.c
--- linux-2.5.3-pre5/arch/ppc/kernel/mk_defs.c Tue Jan 22 09:06:53 2002
+++ linux-work-253p5/arch/ppc/kernel/mk_defs.c Fri Jan 25 15:01:07 2002
@@ -39,7 +39,7 @@
DEFINE(NEXT_TASK, offsetof(struct task_struct, next_task));
DEFINE(COUNTER, offsetof(struct task_struct, counter));
DEFINE(PROCESSOR, offsetof(struct task_struct, processor));
- DEFINE(SIGPENDING, offsetof(struct task_struct, sigpending));
+#error DEFINE(SIGPENDING, offsetof(struct task_struct, sigpending));
DEFINE(THREAD, offsetof(struct task_struct, thread));
DEFINE(MM, offsetof(struct task_struct, mm));
DEFINE(ACTIVE_MM, offsetof(struct task_struct, active_mm));
@@ -50,8 +50,8 @@
DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
DEFINE(PT_TRACESYS, PT_TRACESYS);
DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
- DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
- DEFINE(NEED_RESCHED, offsetof(struct task_struct, need_resched));
+#error DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
+#error DEFINE(NEED_RESCHED, offsetof(struct task_struct, need_resched));
DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
#ifdef CONFIG_ALTIVEC
diff -uNr linux-2.5.3-pre5/arch/ppc/kernel/smp.c linux-work-253p5/arch/ppc/kernel/smp.c
--- linux-2.5.3-pre5/arch/ppc/kernel/smp.c Tue Jan 22 09:06:53 2002
+++ linux-work-253p5/arch/ppc/kernel/smp.c Fri Jan 25 15:01:07 2002
@@ -106,7 +106,7 @@
smp_call_function_interrupt();
break;
case PPC_MSG_RESCHEDULE:
- current->need_resched = 1;
+ current->work.need_resched = 1;
break;
case PPC_MSG_INVALIDATE_TLB:
_tlbia();
diff -uNr linux-2.5.3-pre5/arch/s390/kernel/entry.S linux-work-253p5/arch/s390/kernel/entry.S
--- linux-2.5.3-pre5/arch/s390/kernel/entry.S Tue Jan 22 09:07:06 2002
+++ linux-work-253p5/arch/s390/kernel/entry.S Fri Jan 25 15:01:07 2002
@@ -76,9 +76,9 @@
*/
state = 0
flags = 4
-sigpending = 8
-need_resched = 24
-tsk_ptrace = 28
+#error sigpending = 8
+#error need_resched = 24
+#error tsk_ptrace = 28
processor = 56
/*
@@ -218,7 +218,7 @@
stosm 24(%r15),0x03 # reenable interrupts
sll %r8,2
l %r8,sys_call_table-entry_base(8,%r13) # get address of system call
- tm tsk_ptrace+3(%r9),0x02 # PT_TRACESYS
+#error tm tsk_ptrace+3(%r9),0x02 # PT_TRACESYS
bnz BASED(sysc_tracesys)
basr %r14,%r8 # call sys_xxxx
st %r2,SP_R2(%r15) # store return value (change R2 on stack)
@@ -231,9 +231,9 @@
#
# check, if reschedule is needed
#
- icm %r0,15,need_resched(%r9) # get need_resched from task_struct
+#error icm %r0,15,need_resched(%r9) # get need_resched from task_struct
bnz BASED(sysc_reschedule)
- icm %r0,15,sigpending(%r9) # get sigpending from task_struct
+#error icm %r0,15,sigpending(%r9) # get sigpending from task_struct
bnz BASED(sysc_signal_return)
sysc_leave:
tm SP_PGM_OLD_ILC(%r15),0xff
@@ -744,9 +744,9 @@
#
# check, if reschedule is needed
#
- icm %r0,15,need_resched(%r9) # get need_resched from task_struct
+#error icm %r0,15,need_resched(%r9) # get need_resched from task_struct
bnz BASED(io_reschedule)
- icm %r0,15,sigpending(%r9) # get sigpending from task_struct
+#error icm %r0,15,sigpending(%r9) # get sigpending from task_struct
bnz BASED(io_signal_return)
io_leave:
stnsm 24(%r15),0xfc # disable I/O and ext. interrupts
@@ -874,7 +874,7 @@
*/
.Ls390_mcck: .long s390_do_machine_check
.Ldo_IRQ: .long do_IRQ
-.Ldo_signal: .long do_signal
+#error .Ldo_signal: .long do_signal
.Ldo_softirq: .long do_softirq
.Lentry_base: .long entry_base
.Lext_hash: .long ext_int_hash
@@ -891,7 +891,7 @@
.Lsigreturn: .long sys_sigreturn
.Lsigsuspend: .long sys_sigsuspend
.Lsigaltstack: .long sys_sigaltstack
-.Ltrace: .long syscall_trace
+#error .Ltrace: .long syscall_trace
.Lvfork: .long sys_vfork
#ifdef CONFIG_SMP
diff -uNr linux-2.5.3-pre5/arch/s390x/kernel/entry.S linux-work-253p5/arch/s390x/kernel/entry.S
--- linux-2.5.3-pre5/arch/s390x/kernel/entry.S Tue Jan 22 09:07:06 2002
+++ linux-work-253p5/arch/s390x/kernel/entry.S Fri Jan 25 15:01:07 2002
@@ -76,9 +76,9 @@
*/
state = 0
flags = 8
-sigpending = 16
-need_resched = 32
-tsk_ptrace = 40
+#error sigpending = 16
+#error need_resched = 32
+#error tsk_ptrace = 40
processor = 92
/*
@@ -220,10 +220,10 @@
#
# check, if reschedule is needed
#
- lg %r0,need_resched(%r9) # get need_resched from task_struct
+#error lg %r0,need_resched(%r9) # get need_resched from task_struct
ltgr %r0,%r0
jnz sysc_reschedule
- icm %r0,15,sigpending(%r9) # get sigpending from task_struct
+#error icm %r0,15,sigpending(%r9) # get sigpending from task_struct
jnz sysc_signal_return
sysc_leave:
tm SP_PGM_OLD_ILC(%r15),0xff
@@ -246,7 +246,7 @@
sysc_tracesys:
lghi %r2,-ENOSYS
stg %r2,SP_R2(%r15) # give sysc_trace an -ENOSYS retval
- brasl %r14,syscall_trace
+#error brasl %r14,syscall_trace
lg %r2,SP_R2(%r15)
cghi %r2,-ENOSYS
je sysc_tracesys_dn1
@@ -263,7 +263,7 @@
basr %r14,%r8 # call sys_xxx
stg %r2,SP_R2(%r15) # store return value
larl %r14,sysc_return
- jg syscall_trace # return point is sysc_return
+#error jg syscall_trace # return point is sysc_return
#
# call schedule with sysc_return as return-address
@@ -734,10 +734,10 @@
#
# check, if reschedule is needed
#
- lg %r0,need_resched(%r9) # get need_resched from task_struct
+#error lg %r0,need_resched(%r9) # get need_resched from task_struct
ltgr %r0,%r0
jnz io_reschedule
- icm %r0,15,sigpending(%r9) # get sigpending from task_struct
+#error icm %r0,15,sigpending(%r9) # get sigpending from task_struct
jnz io_signal_return
io_leave:
stnsm 48(%r15),0xfc # disable I/O and ext. interrupts
diff -uNr linux-2.5.3-pre5/arch/sh/kernel/entry.S linux-work-253p5/arch/sh/kernel/entry.S
--- linux-2.5.3-pre5/arch/sh/kernel/entry.S Fri Jan 25 14:52:14 2002
+++ linux-work-253p5/arch/sh/kernel/entry.S Fri Jan 25 15:02:41 2002
@@ -61,11 +61,11 @@
* These are offsets into the task-struct.
*/
flags = 4
-sigpending = 8
-need_resched = 20
-tsk_ptrace = 24
+#error sigpending = 8
+#error need_resched = 20
+#error tsk_ptrace = 24
-PT_TRACESYS = 0x00000002
+#error PT_TRACESYS = 0x00000002
ENOSYS = 38
EINVAL = 22
@@ -300,8 +300,8 @@
! If we're being traced, return via syscall_ret_trace, otherwise
! return directly to ret_from_syscall
stc k_current, r0
- mov.l @(tsk_ptrace,r0), r0 ! Is current PTRACE_SYSCALL'd?
- mov #PT_TRACESYS, r1
+#error mov.l @(tsk_ptrace,r0), r0 ! Is current PTRACE_SYSCALL'd?
+#error mov #PT_TRACESYS, r1
tst r1, r0
bt ret_from_syscall
bra syscall_ret_trace
@@ -371,8 +371,8 @@
STI()
!
stc k_current, r11
- mov.l @(tsk_ptrace,r11), r10 ! Is current PTRACE_SYSCALL'd?
- mov #PT_TRACESYS, r11
+#error mov.l @(tsk_ptrace,r11), r10 ! Is current PTRACE_SYSCALL'd?
+#error mov #PT_TRACESYS, r11
tst r11, r10
bt 5f
! Yes it is traced.
@@ -497,7 +497,7 @@
.align 2
__TRA: .long TRA
__syscall_trace:
- .long SYMBOL_NAME(syscall_trace)
+#error .long SYMBOL_NAME(syscall_trace)
__n_sys:.long NR_syscalls
__sct: .long SYMBOL_NAME(sys_call_table)
__syscall_ret_trace:
@@ -545,10 +545,10 @@
ldc r0, sr
!
stc k_current, r1
- mov.l @(need_resched,r1), r0
+#error mov.l @(need_resched,r1), r0
tst r0, r0
bf reschedule
- mov.l @(sigpending,r1), r0
+#error mov.l @(sigpending,r1), r0
tst r0, r0
bt restore_all
signal_return:
@@ -560,7 +560,7 @@
lds r0, pr
.align 2
__do_signal:
- .long SYMBOL_NAME(do_signal)
+#error .long SYMBOL_NAME(do_signal)
__irq_stat:
.long SYMBOL_NAME(irq_stat)
diff -uNr linux-2.5.3-pre5/arch/sparc/kernel/rtrap.S linux-work-253p5/arch/sparc/kernel/rtrap.S
--- linux-2.5.3-pre5/arch/sparc/kernel/rtrap.S Tue Jan 22 09:06:50 2002
+++ linux-work-253p5/arch/sparc/kernel/rtrap.S Mon Jan 28 09:04:30 2002
@@ -58,15 +58,15 @@
nop
1:
- ld [%curptr + AOFF_task_need_resched], %g2
+#error ld [%curptr + AOFF_task_need_resched], %g2
orcc %g2, %g0, %g0
be signal_p
- ld [%curptr + AOFF_task_sigpending], %g2
+#error ld [%curptr + AOFF_task_sigpending], %g2
call C_LABEL(schedule)
nop
- ld [%curptr + AOFF_task_sigpending], %g2
+#error ld [%curptr + AOFF_task_sigpending], %g2
signal_p:
cmp %g2, 0
bz,a ret_trap_continue
@@ -98,7 +98,7 @@
add %sp, REGWIN_SZ, %o0
b signal_p
- ld [%curptr + AOFF_task_sigpending], %g2
+#error ld [%curptr + AOFF_task_sigpending], %g2
ret_trap_nobufwins:
/* Load up the user's out registers so we can pull
@@ -168,7 +168,7 @@
nop
b signal_p
- ld [%curptr + AOFF_task_sigpending], %g2
+#error ld [%curptr + AOFF_task_sigpending], %g2
ret_trap_kernel:
/* Will the rett land us in the invalid window? */
@@ -218,7 +218,7 @@
add %sp, REGWIN_SZ, %o0
b signal_p
- ld [%curptr + AOFF_task_sigpending], %g2
+#error ld [%curptr + AOFF_task_sigpending], %g2
.globl C_LABEL(sun4c_rett_stackchk)
C_LABEL(sun4c_rett_stackchk):
diff -uNr linux-2.5.3-pre5/arch/sparc/kernel/smp.c linux-work-253p5/arch/sparc/kernel/smp.c
--- linux-2.5.3-pre5/arch/sparc/kernel/smp.c Fri Jan 25 14:52:15 2002
+++ linux-work-253p5/arch/sparc/kernel/smp.c Fri Jan 25 15:01:07 2002
@@ -247,7 +247,7 @@
/* Reschedule call back. */
void smp_reschedule_irq(void)
{
- current->need_resched = 1;
+ current->work.need_resched = 1;
}
/* Stopping processors. */
diff -uNr linux-2.5.3-pre5/arch/sparc64/kernel/process.c linux-work-253p5/arch/sparc64/kernel/process.c
--- linux-2.5.3-pre5/arch/sparc64/kernel/process.c Fri Jan 25 14:52:15 2002
+++ linux-work-253p5/arch/sparc64/kernel/process.c Fri Jan 25 15:01:07 2002
@@ -54,7 +54,7 @@
/* endless idle loop with no priority at all */
for (;;) {
- /* If current->need_resched is zero we should really
+ /* If current->work.need_resched is zero we should really
* setup for a system wakup event and execute a shutdown
* instruction.
*
diff -uNr linux-2.5.3-pre5/arch/sparc64/kernel/rtrap.S linux-work-253p5/arch/sparc64/kernel/rtrap.S
--- linux-2.5.3-pre5/arch/sparc64/kernel/rtrap.S Tue Jan 22 09:06:56 2002
+++ linux-work-253p5/arch/sparc64/kernel/rtrap.S Mon Jan 28 09:04:30 2002
@@ -42,14 +42,14 @@
wrpr %g0, RTRAP_PSTATE, %pstate
wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
/* Redo sched+sig checks */
- ldx [%g6 + AOFF_task_need_resched], %l0
+#error ldx [%g6 + AOFF_task_need_resched], %l0
brz,pt %l0, 1f
nop
call schedule
wrpr %g0, RTRAP_PSTATE, %pstate
wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
-1: lduw [%g6 + AOFF_task_sigpending], %l0
+#error1: lduw [%g6 + AOFF_task_sigpending], %l0
brz,pt %l0, __handle_user_windows_continue
nop
clr %o0
@@ -82,14 +82,14 @@
call fault_in_user_windows
wrpr %g0, RTRAP_PSTATE, %pstate
wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
-1: ldx [%g6 + AOFF_task_need_resched], %l0
+#error 1: ldx [%g6 + AOFF_task_need_resched], %l0
brz,pt %l0, 1f
nop
call schedule
wrpr %g0, RTRAP_PSTATE, %pstate
wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
-1: lduw [%g6 + AOFF_task_sigpending], %l0
+#error 1: lduw [%g6 + AOFF_task_sigpending], %l0
brz,pt %l0, __handle_perfctrs_continue
sethi %hi(TSTATE_PEF), %o0
clr %o0
@@ -173,9 +173,9 @@
*/
to_user: wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
__handle_preemption_continue:
- ldx [%g6 + AOFF_task_need_resched], %l0
+#error ldx [%g6 + AOFF_task_need_resched], %l0
brnz,pn %l0, __handle_preemption
- lduw [%g6 + AOFF_task_sigpending], %l0
+#error lduw [%g6 + AOFF_task_sigpending], %l0
brnz,pn %l0, __handle_signal
nop
__handle_signal_continue:
reply other threads:[~2002-01-28 9:25 UTC|newest]
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