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SubjectRe: sparc64: Optimized immediate value implementation build error
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From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Tue, 14 Oct 2008 00:47:58 -0400

> * David Miller (davem@davemloft.net) wrote:
> > I'll pull in 0.40 next.
>
> I'm looking forward to hear about the results. Thanks !

It builds, and I made sure that USE_IMMEDIATE does get defined
by the makefile changes you made.

On the other hand, CONFIG_PSRWLOCK_LATENCY_TEST fails to build:

CC lib/psrwlock-latency-trace.o
lib/psrwlock-latency-trace.c: In function ‘calibrate_get_cycles’:
lib/psrwlock-latency-trace.c:60: error: implicit declaration of function ‘rdtsc_barrier’

You could use sched_clock() or similar, we do have portable
interfaces by which to do these things. And if we don't
have something fitting exactly what is needed here, add it :-)

Also:

<stdin>:1421:2: warning: #warning syscall marker not implemented
<stdin>:1425:2: warning: #warning syscall trace not implemented

which should be fixed by the following patch:

sparc: Add sys_trace() and sys_marker() syscall table entries.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc/include/asm/unistd_32.h b/arch/sparc/include/asm/unistd_32.h
index 648643a..ef924f4 100644
--- a/arch/sparc/include/asm/unistd_32.h
+++ b/arch/sparc/include/asm/unistd_32.h
@@ -338,8 +338,10 @@
#define __NR_dup3 320
#define __NR_pipe2 321
#define __NR_inotify_init1 322
+#define __NR_marker 323
+#define __NR_trace 324

-#define NR_SYSCALLS 323
+#define NR_SYSCALLS 325

/* Sparc 32-bit only has the "setresuid32", "getresuid32" variants,
* it never had the plain ones and there is no value to adding those
diff --git a/arch/sparc/include/asm/unistd_64.h b/arch/sparc/include/asm/unistd_64.h
index c5cc0e0..bd830d8 100644
--- a/arch/sparc/include/asm/unistd_64.h
+++ b/arch/sparc/include/asm/unistd_64.h
@@ -340,8 +340,10 @@
#define __NR_dup3 320
#define __NR_pipe2 321
#define __NR_inotify_init1 322
+#define __NR_marker 323
+#define __NR_trace 324

-#define NR_SYSCALLS 323
+#define NR_SYSCALLS 325

#ifdef __KERNEL__
#define __ARCH_WANT_IPC_PARSE_VERSION
diff --git a/arch/sparc/kernel/systbls.S b/arch/sparc/kernel/systbls.S
index e1b9233..0a1dd3d 100644
--- a/arch/sparc/kernel/systbls.S
+++ b/arch/sparc/kernel/systbls.S
@@ -81,4 +81,4 @@ sys_call_table:
/*305*/ .long sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait
/*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
/*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1
+/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_marker, sys_trace
diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S
index 0fdbf3b..0257912 100644
--- a/arch/sparc64/kernel/systbls.S
+++ b/arch/sparc64/kernel/systbls.S
@@ -82,7 +82,7 @@ sys_call_table32:
.word compat_sys_set_mempolicy, compat_sys_kexec_load, compat_sys_move_pages, sys_getcpu, compat_sys_epoll_pwait
/*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate
.word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1
+/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_marker, sys_trace

#endif /* CONFIG_COMPAT */

@@ -156,4 +156,4 @@ sys_call_table:
.word sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait
/*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
.word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1
+/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_marker, sys_trace
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