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authorLinus Torvalds <torvalds@linux-foundation.org>2013-11-12 14:28:55 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-12 14:28:55 +0900
commit11db81a59d0b2e563e30512cd76f23d0db384780 (patch)
tree35a84e91c71cf0fcbffa3c5c8af36547a203a867 /arch
parent0993537bff42edfbea7649975196cd2552c4b936 (diff)
parent63d7bd1b171d5e7190c50dd3e48b1c561d7803d8 (diff)
Merge tag 'microblaze-3.13-rc1' of git://git.monstr.eu/linux-2.6-microblaze
Pull microblaze updates from Michal Simek: - Get rid of NO_MMU Kconfig - mmap2 fixups - Some minor cleanups * tag 'microblaze-3.13-rc1' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Remove incorrect file path microblaze: Fix bug with mmap2 syscall MB implementation microblaze: Use predefined SYSCALL_DEFINE macro microblaze: Remove deprecated IRQF_DISABLED microblaze: Calculate kernel pad automatically microblaze: Remove unused NO_MMU Kconfig parameter
Diffstat (limited to 'arch')
-rw-r--r--arch/microblaze/Kconfig9
-rw-r--r--arch/microblaze/boot/dts/Makefile2
-rw-r--r--arch/microblaze/kernel/head.S2
-rw-r--r--arch/microblaze/kernel/hw_exception_handler.S4
-rw-r--r--arch/microblaze/kernel/sys_microblaze.c17
-rw-r--r--arch/microblaze/kernel/syscall_table.S2
-rw-r--r--arch/microblaze/kernel/timer.c2
7 files changed, 19 insertions, 19 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index b82f82b74319..655e1cadf692 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -82,11 +82,6 @@ config MMU
bool "MMU support"
default n
-config NO_MMU
- bool
- depends on !MMU
- default y
-
comment "Boot options"
config CMDLINE_BOOL
@@ -250,10 +245,6 @@ config MICROBLAZE_64K_PAGES
endchoice
-config KERNEL_PAD
- hex "Kernel PAD for unpacking" if ADVANCED_OPTIONS
- default "0x80000" if MMU
-
endmenu
source "mm/Kconfig"
diff --git a/arch/microblaze/boot/dts/Makefile b/arch/microblaze/boot/dts/Makefile
index c3b3a5d67b89..c4982d16e555 100644
--- a/arch/microblaze/boot/dts/Makefile
+++ b/arch/microblaze/boot/dts/Makefile
@@ -1,6 +1,4 @@
#
-# arch/microblaze/boot/Makefile
-#
obj-y += linked_dtb.o
diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index fcc797feb9db..817b7eec95b6 100644
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -176,7 +176,7 @@ _invalidate:
/* start to do TLB calculation */
addik r12, r0, _end
rsub r12, r3, r12
- addik r12, r12, CONFIG_KERNEL_PAD /* that's the pad */
+ addik r12, r12, CONFIG_LOWMEM_SIZE >> PTE_SHIFT /* that's the pad */
or r9, r0, r0 /* TLB0 = 0 */
or r10, r0, r0 /* TLB1 = 0 */
diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S
index 61b3a1fed46f..fc6b89f4dd31 100644
--- a/arch/microblaze/kernel/hw_exception_handler.S
+++ b/arch/microblaze/kernel/hw_exception_handler.S
@@ -193,8 +193,8 @@
* - W S REG EXC
*
*
- * STACK FRAME STRUCTURE (for NO_MMU)
- * ---------------------------------
+ * STACK FRAME STRUCTURE (for CONFIG_MMU=n)
+ * ----------------------------------------
*
* +-------------+ + 0
* | MSR |
diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c
index f905b3ae68c7..f1e1f666ddde 100644
--- a/arch/microblaze/kernel/sys_microblaze.c
+++ b/arch/microblaze/kernel/sys_microblaze.c
@@ -33,12 +33,23 @@
#include <linux/slab.h>
#include <asm/syscalls.h>
-asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, off_t pgoff)
+SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
+ unsigned long, prot, unsigned long, flags, unsigned long, fd,
+ off_t, pgoff)
{
if (pgoff & ~PAGE_MASK)
return -EINVAL;
return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT);
}
+
+SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len,
+ unsigned long, prot, unsigned long, flags, unsigned long, fd,
+ unsigned long, pgoff)
+{
+ if (pgoff & (~PAGE_MASK >> 12))
+ return -EINVAL;
+
+ return sys_mmap_pgoff(addr, len, prot, flags, fd,
+ pgoff >> (PAGE_SHIFT - 12));
+}
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index 4fca56cf02f6..b882ad50535b 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -192,7 +192,7 @@ ENTRY(sys_call_table)
.long sys_ni_syscall /* reserved for streams2 */
.long sys_vfork /* 190 */
.long sys_getrlimit
- .long sys_mmap_pgoff /* mmap2 */
+ .long sys_mmap2
.long sys_truncate64
.long sys_ftruncate64
.long sys_stat64 /* 195 */
diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c
index e4b3f33ef34c..d7abb71abf61 100644
--- a/arch/microblaze/kernel/timer.c
+++ b/arch/microblaze/kernel/timer.c
@@ -148,7 +148,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
static struct irqaction timer_irqaction = {
.handler = timer_interrupt,
- .flags = IRQF_DISABLED | IRQF_TIMER,
+ .flags = IRQF_TIMER,
.name = "timer",
.dev_id = &clockevent_xilinx_timer,
};