From f2454a1a4b2aca38d3b7887619f43291d773c1ee Mon Sep 17 00:00:00 2001 From: Jes Sorensen Date: Wed, 25 Oct 2006 05:49:53 -0400 Subject: [IA64] don't double >> PAGE_SHIFT pointer for /dev/kmem access Don't PAGE_SHIFT pointer before handing it to virt_to_page() in xlate_dev_kmem_ptr() as it results in a double shift. Spotted by Bob Montgomery. Signed-off-by: Jes Sorensen Signed-off-by: Tony Luck --- include/asm-ia64/uaccess.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include') diff --git a/include/asm-ia64/uaccess.h b/include/asm-ia64/uaccess.h index 9adb51211c2..449c8c0fa2b 100644 --- a/include/asm-ia64/uaccess.h +++ b/include/asm-ia64/uaccess.h @@ -389,7 +389,7 @@ xlate_dev_kmem_ptr (char * p) struct page *page; char * ptr; - page = virt_to_page((unsigned long)p >> PAGE_SHIFT); + page = virt_to_page((unsigned long)p); if (PageUncached(page)) ptr = (char *)__pa(p) + __IA64_UNCACHED_OFFSET; else -- cgit v1.2.3 From fa1d19e5d9a94120f31e5783ab44758f46892d94 Mon Sep 17 00:00:00 2001 From: Troy Heber Date: Wed, 25 Oct 2006 14:46:15 -0600 Subject: [IA64] move SAL_CACHE_FLUSH check later in boot The check to see if the firmware drops interrupts during a SAL_CACHE_FLUSH is done to early in the boot. SAL_CACHE_FLUSH expects to be able to make PAL calls in virtual mode, on some cell based machines a fault occurs causing a MCA. This patch moves the check after mmu_context_init so the TLB and VHPT are properly setup. Signed-off-by Troy Heber Signed-off-by: Tony Luck --- include/asm-ia64/sal.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/asm-ia64/sal.h b/include/asm-ia64/sal.h index 0b210abbe00..d000689d914 100644 --- a/include/asm-ia64/sal.h +++ b/include/asm-ia64/sal.h @@ -659,6 +659,7 @@ ia64_sal_freq_base (unsigned long which, unsigned long *ticks_per_second, } extern s64 ia64_sal_cache_flush (u64 cache_type); +extern void __init check_sal_cache_flush (void); /* Initialize all the processor and platform level instruction and data caches */ static inline s64 -- cgit v1.2.3