* [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
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