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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-09 15:16:52 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-09 15:16:52 -0800
commitc4888f9ffafe7db107b7eafb3a68eaeeff3779c3 (patch)
treed30da15f6b5d74c8c04fd92991af5e1615d95691 /include
parente36aeee65d4db050bd8713537416a0a0632db079 (diff)
parent688016f4e2028e3c2c27e959ad001536e10ee2c5 (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (37 commits) [POWERPC] EEH: Make sure warning message is printed [POWERPC] Make altivec code in swsusp_32.S depend on CONFIG_ALTIVEC [POWERPC] windfarm: Fix windfarm thread freezer interaction [POWERPC] Fix si_addr value on low level hash failures [POWERPC] Refresh ppc64_defconfig and enable pasemi-related options [POWERPC] pasemi: Update defconfig [POWERPC] iSeries: Fix ref counting in vio setup [POWERPC] ] Fix memset size error [POWERPC] Fix link errors for allyesconfig [POWERPC] iSeries_init_IRQ non-PCI tidy [POWERPC] Change fallocate to match unistd.h on powerpc [POWERPC] EEH: Avoid crash on null device [POWERPC] EEH: Drivers that need reset trump others [POWERPC] EEH: Clean up comments [POWERPC] Fix off-by-one error in setting decrementer on Book E/4xx (v2) [POWERPC] Fix switch_slb handling of 1T ESID values [POWERPC] Fix build failure when CONFIG_VIRT_CPU_ACCOUNTING is not defined [POWERPC] Include udbg.h when using udbg_printf [POWERPC] Fix cache line vs. block size confusion [POWERPC] Fix sysctl table check failure on PowerMac ...
Diffstat (limited to 'include')
-rw-r--r--include/asm-powerpc/pgtable-ppc32.h13
-rw-r--r--include/asm-powerpc/systbl.h2
-rw-r--r--include/asm-powerpc/time.h20
-rw-r--r--include/asm-powerpc/tlbflush.h12
4 files changed, 33 insertions, 14 deletions
diff --git a/include/asm-powerpc/pgtable-ppc32.h b/include/asm-powerpc/pgtable-ppc32.h
index 86a54a4a8a2..fea2d8ff1e7 100644
--- a/include/asm-powerpc/pgtable-ppc32.h
+++ b/include/asm-powerpc/pgtable-ppc32.h
@@ -11,6 +11,11 @@
extern unsigned long va_to_phys(unsigned long address);
extern pte_t *va_to_pte(unsigned long address);
extern unsigned long ioremap_bot, ioremap_base;
+
+#ifdef CONFIG_44x
+extern int icache_44x_need_flush;
+#endif
+
#endif /* __ASSEMBLY__ */
/*
@@ -562,6 +567,10 @@ static inline unsigned long pte_update(pte_t *p, unsigned long clr,
: "=&r" (old), "=&r" (tmp), "=m" (*p)
: "r" (p), "r" (clr), "r" (set), "m" (*p)
: "cc" );
+#ifdef CONFIG_44x
+ if ((old & _PAGE_USER) && (old & _PAGE_HWEXEC))
+ icache_44x_need_flush = 1;
+#endif
return old;
}
#else
@@ -582,6 +591,10 @@ static inline unsigned long long pte_update(pte_t *p, unsigned long clr,
: "=&r" (old), "=&r" (tmp), "=m" (*p)
: "r" (p), "r" ((unsigned long)(p) + 4), "r" (clr), "r" (set), "m" (*p)
: "cc" );
+#ifdef CONFIG_44x
+ if ((old & _PAGE_USER) && (old & _PAGE_HWEXEC))
+ icache_44x_need_flush = 1;
+#endif
return old;
}
#endif
diff --git a/include/asm-powerpc/systbl.h b/include/asm-powerpc/systbl.h
index cc6d8722825..11d5383b2f0 100644
--- a/include/asm-powerpc/systbl.h
+++ b/include/asm-powerpc/systbl.h
@@ -308,8 +308,8 @@ COMPAT_SYS_SPU(move_pages)
SYSCALL_SPU(getcpu)
COMPAT_SYS(epoll_pwait)
COMPAT_SYS_SPU(utimensat)
-COMPAT_SYS(fallocate)
COMPAT_SYS_SPU(signalfd)
COMPAT_SYS_SPU(timerfd)
SYSCALL_SPU(eventfd)
COMPAT_SYS_SPU(sync_file_range2)
+COMPAT_SYS(fallocate)
diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h
index f05895522f7..780f8264275 100644
--- a/include/asm-powerpc/time.h
+++ b/include/asm-powerpc/time.h
@@ -176,25 +176,31 @@ static inline unsigned int get_dec(void)
#endif
}
+/*
+ * Note: Book E and 4xx processors differ from other PowerPC processors
+ * in when the decrementer generates its interrupt: on the 1 to 0
+ * transition for Book E/4xx, but on the 0 to -1 transition for others.
+ */
static inline void set_dec(int val)
{
#if defined(CONFIG_40x)
mtspr(SPRN_PIT, val);
#elif defined(CONFIG_8xx_CPU6)
- set_dec_cpu6(val);
+ set_dec_cpu6(val - 1);
#else
+#ifndef CONFIG_BOOKE
+ --val;
+#endif
#ifdef CONFIG_PPC_ISERIES
- int cur_dec;
-
if (firmware_has_feature(FW_FEATURE_ISERIES) &&
get_lppaca()->shared_proc) {
get_lppaca()->virtual_decr = val;
- cur_dec = get_dec();
- if (cur_dec > val)
+ if (get_dec() > val)
HvCall_setVirtualDecr();
- } else
+ return;
+ }
#endif
- mtspr(SPRN_DEC, val);
+ mtspr(SPRN_DEC, val);
#endif /* not 40x or 8xx_CPU6 */
}
diff --git a/include/asm-powerpc/tlbflush.h b/include/asm-powerpc/tlbflush.h
index b6b036ccee3..e7b4c0d298a 100644
--- a/include/asm-powerpc/tlbflush.h
+++ b/include/asm-powerpc/tlbflush.h
@@ -1,5 +1,6 @@
#ifndef _ASM_POWERPC_TLBFLUSH_H
#define _ASM_POWERPC_TLBFLUSH_H
+
/*
* TLB flushing:
*
@@ -16,9 +17,6 @@
*/
#ifdef __KERNEL__
-struct mm_struct;
-struct vm_area_struct;
-
#if defined(CONFIG_4xx) || defined(CONFIG_8xx) || defined(CONFIG_FSL_BOOKE)
/*
* TLB flushing for software loaded TLB chips
@@ -28,7 +26,9 @@ struct vm_area_struct;
* specific tlbie's
*/
-extern void _tlbie(unsigned long address);
+#include <linux/mm.h>
+
+extern void _tlbie(unsigned long address, unsigned int pid);
#if defined(CONFIG_40x) || defined(CONFIG_8xx)
#define _tlbia() asm volatile ("tlbia; sync" : : : "memory")
@@ -44,13 +44,13 @@ static inline void flush_tlb_mm(struct mm_struct *mm)
static inline void flush_tlb_page(struct vm_area_struct *vma,
unsigned long vmaddr)
{
- _tlbie(vmaddr);
+ _tlbie(vmaddr, vma->vm_mm->context.id);
}
static inline void flush_tlb_page_nohash(struct vm_area_struct *vma,
unsigned long vmaddr)
{
- _tlbie(vmaddr);
+ _tlbie(vmaddr, vma->vm_mm->context.id);
}
static inline void flush_tlb_range(struct vm_area_struct *vma,