From b5dd0bb43e209455fb83161d4c8774ce2c23f6e2 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Thu, 23 May 2013 08:04:09 +0200 Subject: microblaze: Use proper casting for inb/inw/inl in io.h We are going to move to asm-generic/io.h but let's fix compilation warnings first for 3.10. Warning message: arch/microblaze/include/asm/io.h:126:26: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] #define inb(port) readb((u8 *)((port))) ... Signed-off-by: Michal Simek --- arch/microblaze/include/asm/io.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/microblaze/include') diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h index 8cb8a8566ede..2565cb94f32f 100644 --- a/arch/microblaze/include/asm/io.h +++ b/arch/microblaze/include/asm/io.h @@ -123,11 +123,11 @@ static inline void writel(unsigned int v, volatile void __iomem *addr) * inb_p/inw_p/... * The macros don't do byte-swapping. */ -#define inb(port) readb((u8 *)((port))) +#define inb(port) readb((u8 *)((unsigned long)(port))) #define outb(val, port) writeb((val), (u8 *)((unsigned long)(port))) -#define inw(port) readw((u16 *)((port))) +#define inw(port) readw((u16 *)((unsigned long)(port))) #define outw(val, port) writew((val), (u16 *)((unsigned long)(port))) -#define inl(port) readl((u32 *)((port))) +#define inl(port) readl((u32 *)((unsigned long)(port))) #define outl(val, port) writel((val), (u32 *)((unsigned long)(port))) #define inb_p(port) inb((port)) -- cgit v1.2.3 From f6a12a7d0b1a70e969ae4f6d7c5201cdaf6edde0 Mon Sep 17 00:00:00 2001 From: "Meyer, Kirk" Date: Thu, 23 May 2013 17:06:57 +0000 Subject: microblaze: Reversed logic in futex cmpxchg futex_atomic_cmpxchg_inatomic exchanged if the values were unequal rather than equal. This caused incorrect behavior of robust futexes. Signed-off-by: Kirk Meyer Signed-off-by: Michal Simek --- arch/microblaze/include/asm/futex.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/microblaze/include') diff --git a/arch/microblaze/include/asm/futex.h b/arch/microblaze/include/asm/futex.h index ff8cde159d9a..01848f056f43 100644 --- a/arch/microblaze/include/asm/futex.h +++ b/arch/microblaze/include/asm/futex.h @@ -105,7 +105,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, __asm__ __volatile__ ("1: lwx %1, %3, r0; \ cmp %2, %1, %4; \ - beqi %2, 3f; \ + bnei %2, 3f; \ 2: swx %5, %3, r0; \ addic %2, r0, 0; \ bnei %2, 1b; \ -- cgit v1.2.3 From 8706a6b6303dd75c7ee2baf2161de0f5a2fbdd8b Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Thu, 30 May 2013 15:10:52 +0200 Subject: microblaze: Fix sparse warnings arch/microblaze/include/asm/uaccess.h:101:3: warning: cast removes address space of expression arch/microblaze/include/asm/uaccess.h:107:2: warning: cast removes address space of expression Signed-off-by: Michal Simek --- arch/microblaze/include/asm/uaccess.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/microblaze/include') diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index efe59d881789..04e49553bdf9 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -99,13 +99,13 @@ static inline int access_ok(int type, const void __user *addr, if ((get_fs().seg < ((unsigned long)addr)) || (get_fs().seg < ((unsigned long)addr + size - 1))) { pr_debug("ACCESS fail: %s at 0x%08x (size 0x%x), seg 0x%08x\n", - type ? "WRITE" : "READ ", (u32)addr, (u32)size, + type ? "WRITE" : "READ ", (__force u32)addr, (u32)size, (u32)get_fs().seg); return 0; } ok: pr_debug("ACCESS OK: %s at 0x%08x (size 0x%x), seg 0x%08x\n", - type ? "WRITE" : "READ ", (u32)addr, (u32)size, + type ? "WRITE" : "READ ", (__force u32)addr, (u32)size, (u32)get_fs().seg); return 1; } -- cgit v1.2.3 From 62bc82a82bb1e2b5ee5048c088af7260ddb2b7b5 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Mon, 3 Jun 2013 11:30:04 +0200 Subject: microblaze: Use static inline functions in cacheflush.h Using static inline functions ensure proper type checking which also remove compilation warning for no MMU Compilation warning: arch/microblaze/include/asm/cacheflush.h: warning: 'addr' may be used uninitialized in this function [-Wmaybe-uninitialized] Signed-off-by: Michal Simek --- arch/microblaze/include/asm/cacheflush.h | 34 +++++++++++++++++--------------- 1 file changed, 18 insertions(+), 16 deletions(-) (limited to 'arch/microblaze/include') diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h index 0f553bc009a0..ffea82a16d2c 100644 --- a/arch/microblaze/include/asm/cacheflush.h +++ b/arch/microblaze/include/asm/cacheflush.h @@ -102,21 +102,23 @@ do { \ #define flush_cache_range(vma, start, len) do { } while (0) -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ -do { \ - u32 addr = virt_to_phys(dst); \ - memcpy((dst), (src), (len)); \ - if (vma->vm_flags & VM_EXEC) { \ - invalidate_icache_range((unsigned) (addr), \ - (unsigned) (addr) + PAGE_SIZE); \ - flush_dcache_range((unsigned) (addr), \ - (unsigned) (addr) + PAGE_SIZE); \ - } \ -} while (0) - -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ -do { \ - memcpy((dst), (src), (len)); \ -} while (0) +static inline void copy_to_user_page(struct vm_area_struct *vma, + struct page *page, unsigned long vaddr, + void *dst, void *src, int len) +{ + u32 addr = virt_to_phys(dst); + memcpy(dst, src, len); + if (vma->vm_flags & VM_EXEC) { + invalidate_icache_range(addr, addr + PAGE_SIZE); + flush_dcache_range(addr, addr + PAGE_SIZE); + } +} + +static inline void copy_from_user_page(struct vm_area_struct *vma, + struct page *page, unsigned long vaddr, + void *dst, void *src, int len) +{ + memcpy(dst, src, len); +} #endif /* _ASM_MICROBLAZE_CACHEFLUSH_H */ -- cgit v1.2.3