linux-alpha.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH 1/2] alpha: Wire up sched_setattr, sched_getattr, and renameat2 syscalls.
@ 2014-07-25  0:53 Matt Turner
  2014-07-25  0:53 ` [PATCH 2/2] alpha: io: implement relaxed accessor macros for writes Matt Turner
  0 siblings, 1 reply; 2+ messages in thread
From: Matt Turner @ 2014-07-25  0:53 UTC (permalink / raw)
  To: Linus Torvalds; +Cc: linux-alpha, linux-kernel, Michael Cree, Matt Turner

From: Michael Cree <mcree@orcon.net.nz>

Signed-off-by: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Matt Turner <mattst88@gmail.com>
---
 arch/alpha/include/asm/unistd.h      | 2 +-
 arch/alpha/include/uapi/asm/unistd.h | 3 +++
 arch/alpha/kernel/systbls.S          | 3 +++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index f2c9440..c509d30 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -3,7 +3,7 @@
 
 #include <uapi/asm/unistd.h>
 
-#define NR_SYSCALLS			508
+#define NR_SYSCALLS			511
 
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_STAT64
diff --git a/arch/alpha/include/uapi/asm/unistd.h b/arch/alpha/include/uapi/asm/unistd.h
index 53ae7bb..d214a035 100644
--- a/arch/alpha/include/uapi/asm/unistd.h
+++ b/arch/alpha/include/uapi/asm/unistd.h
@@ -469,5 +469,8 @@
 #define __NR_process_vm_writev		505
 #define __NR_kcmp			506
 #define __NR_finit_module		507
+#define __NR_sched_setattr		508
+#define __NR_sched_getattr		509
+#define __NR_renameat2			510
 
 #endif /* _UAPI_ALPHA_UNISTD_H */
diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S
index dca9b3f..2478971 100644
--- a/arch/alpha/kernel/systbls.S
+++ b/arch/alpha/kernel/systbls.S
@@ -526,6 +526,9 @@ sys_call_table:
 	.quad sys_process_vm_writev		/* 505 */
 	.quad sys_kcmp
 	.quad sys_finit_module
+	.quad sys_sched_setattr
+	.quad sys_sched_getattr
+	.quad sys_renameat2			/* 510 */
 
 	.size sys_call_table, . - sys_call_table
 	.type sys_call_table, @object
-- 
1.8.5.5


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [PATCH 2/2] alpha: io: implement relaxed accessor macros for writes
  2014-07-25  0:53 [PATCH 1/2] alpha: Wire up sched_setattr, sched_getattr, and renameat2 syscalls Matt Turner
@ 2014-07-25  0:53 ` Matt Turner
  0 siblings, 0 replies; 2+ messages in thread
From: Matt Turner @ 2014-07-25  0:53 UTC (permalink / raw)
  To: Linus Torvalds
  Cc: linux-alpha, linux-kernel, Will Deacon, Ivan Kokshaysky,
	Matt Turner

From: Will Deacon <will.deacon@arm.com>

write{b,w,l,q}_relaxed are implemented by some architectures in order to
permit memory-mapped I/O writes with weaker barrier semantics than the
non-relaxed variants.

This patch implements these write macros for Alpha, in the same vein as
the relaxed read macros, which are already implemented.

Acked-by: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
---
 arch/alpha/include/asm/io.h | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h
index 5ebab58..f05bdb4 100644
--- a/arch/alpha/include/asm/io.h
+++ b/arch/alpha/include/asm/io.h
@@ -500,10 +500,14 @@ extern inline void writeq(u64 b, volatile void __iomem *addr)
 #define outb_p		outb
 #define outw_p		outw
 #define outl_p		outl
-#define readb_relaxed(addr) __raw_readb(addr)
-#define readw_relaxed(addr) __raw_readw(addr)
-#define readl_relaxed(addr) __raw_readl(addr)
-#define readq_relaxed(addr) __raw_readq(addr)
+#define readb_relaxed(addr)	__raw_readb(addr)
+#define readw_relaxed(addr)	__raw_readw(addr)
+#define readl_relaxed(addr)	__raw_readl(addr)
+#define readq_relaxed(addr)	__raw_readq(addr)
+#define writeb_relaxed(b, addr)	__raw_writeb(b, addr)
+#define writew_relaxed(b, addr)	__raw_writew(b, addr)
+#define writel_relaxed(b, addr)	__raw_writel(b, addr)
+#define writeq_relaxed(b, addr)	__raw_writeq(b, addr)
 
 #define mmiowb()
 
-- 
1.8.5.5

^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2014-07-25  0:53 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-07-25  0:53 [PATCH 1/2] alpha: Wire up sched_setattr, sched_getattr, and renameat2 syscalls Matt Turner
2014-07-25  0:53 ` [PATCH 2/2] alpha: io: implement relaxed accessor macros for writes Matt Turner

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).