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| author | David S. Miller <davem@sunset.davemloft.net> | 2005-09-19 20:11:57 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2005-09-19 20:11:57 -0700 |
| commit | 6a9b490d5fd7f23c5bcd75f970e01633ad3136e3 (patch) | |
| tree | dd3ad10d43a5dd765705f32ff1fca6fc1bab88fd | |
| parent | e0487992ce1dd7ae7da9c6aabdb19570bb95432b (diff) | |
| download | op-kernel-dev-6a9b490d5fd7f23c5bcd75f970e01633ad3136e3.zip op-kernel-dev-6a9b490d5fd7f23c5bcd75f970e01633ad3136e3.tar.gz | |
[SPARC64]: Move DCACHE_ALIASING_POSSIBLE define to asm/page.h
This showed that arch/sparc64/kernel/ptrace.c was not getting
the define properly, and thus the code protected by this ifdef
was never actually compiled before. So fix that too.
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | arch/sparc64/kernel/ptrace.c | 7 | ||||
| -rw-r--r-- | include/asm-sparc64/cacheflush.h | 7 | ||||
| -rw-r--r-- | include/asm-sparc64/ide.h | 1 | ||||
| -rw-r--r-- | include/asm-sparc64/page.h | 7 | ||||
| -rw-r--r-- | include/asm-sparc64/pgalloc.h | 1 |
5 files changed, 13 insertions, 10 deletions
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c index 23ad839..5efbff9 100644 --- a/arch/sparc64/kernel/ptrace.c +++ b/arch/sparc64/kernel/ptrace.c @@ -30,6 +30,7 @@ #include <asm/psrcompat.h> #include <asm/visasm.h> #include <asm/spitfire.h> +#include <asm/page.h> /* Returning from ptrace is a bit tricky because the syscall return * low level code assumes any value returned which is negative and @@ -128,20 +129,20 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, * is mapped to in the user's address space, we can skip the * D-cache flush. */ - if ((uaddr ^ kaddr) & (1UL << 13)) { + if ((uaddr ^ (unsigned long) kaddr) & (1UL << 13)) { unsigned long start = __pa(kaddr); unsigned long end = start + len; if (tlb_type == spitfire) { for (; start < end; start += 32) - spitfire_put_dcache_tag(va & 0x3fe0, 0x0); + spitfire_put_dcache_tag(start & 0x3fe0, 0x0); } else { for (; start < end; start += 32) __asm__ __volatile__( "stxa %%g0, [%0] %1\n\t" "membar #Sync" : /* no outputs */ - : "r" (va), + : "r" (start), "i" (ASI_DCACHE_INVALIDATE)); } } diff --git a/include/asm-sparc64/cacheflush.h b/include/asm-sparc64/cacheflush.h index 51b26e81..ededd26 100644 --- a/include/asm-sparc64/cacheflush.h +++ b/include/asm-sparc64/cacheflush.h @@ -4,13 +4,6 @@ #include <linux/config.h> #include <asm/page.h> -/* Flushing for D-cache alias handling is only needed if - * the page size is smaller than 16K. - */ -#if PAGE_SHIFT < 14 -#define DCACHE_ALIASING_POSSIBLE -#endif - #ifndef __ASSEMBLY__ #include <linux/mm.h> diff --git a/include/asm-sparc64/ide.h b/include/asm-sparc64/ide.h index 4c10984..c393f81 100644 --- a/include/asm-sparc64/ide.h +++ b/include/asm-sparc64/ide.h @@ -15,6 +15,7 @@ #include <asm/io.h> #include <asm/spitfire.h> #include <asm/cacheflush.h> +#include <asm/page.h> #ifndef MAX_HWIFS # ifdef CONFIG_BLK_DEV_IDEPCI diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h index c9f8ef2..7f8d764 100644 --- a/include/asm-sparc64/page.h +++ b/include/asm-sparc64/page.h @@ -21,6 +21,13 @@ #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) +/* Flushing for D-cache alias handling is only needed if + * the page size is smaller than 16K. + */ +#if PAGE_SHIFT < 14 +#define DCACHE_ALIASING_POSSIBLE +#endif + #ifdef __KERNEL__ #ifndef __ASSEMBLY__ diff --git a/include/asm-sparc64/pgalloc.h b/include/asm-sparc64/pgalloc.h index b9b1914..a96067c 100644 --- a/include/asm-sparc64/pgalloc.h +++ b/include/asm-sparc64/pgalloc.h @@ -10,6 +10,7 @@ #include <asm/spitfire.h> #include <asm/cpudata.h> #include <asm/cacheflush.h> +#include <asm/page.h> /* Page table allocation/freeing. */ #ifdef CONFIG_SMP |
