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author | David S. Miller <davem@davemloft.net> | 2009-03-26 15:23:24 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2009-03-26 15:23:24 -0700 |
commit | 08abe18af1f78ee80c3c3a5ac47c3e0ae0beadf6 (patch) | |
tree | 2be39bf8942edca1bcec735145e144a682ca9cd3 /arch/s390/lib | |
parent | f0de70f8bb56952f6e016a65a8a8d006918f5bf6 (diff) | |
parent | 0384e2959127a56d0640505d004d8dd92f9c29f5 (diff) | |
download | blackbird-op-linux-08abe18af1f78ee80c3c3a5ac47c3e0ae0beadf6.tar.gz blackbird-op-linux-08abe18af1f78ee80c3c3a5ac47c3e0ae0beadf6.zip |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/net/wimax/i2400m/usb-notif.c
Diffstat (limited to 'arch/s390/lib')
-rw-r--r-- | arch/s390/lib/div64.c | 2 | ||||
-rw-r--r-- | arch/s390/lib/uaccess_pt.c | 18 |
2 files changed, 1 insertions, 19 deletions
diff --git a/arch/s390/lib/div64.c b/arch/s390/lib/div64.c index a5f8300bf3ee..d9e62c0b576a 100644 --- a/arch/s390/lib/div64.c +++ b/arch/s390/lib/div64.c @@ -61,7 +61,7 @@ static uint32_t __div64_31(uint64_t *n, uint32_t base) " clr %0,%3\n" " jl 0f\n" " slr %0,%3\n" - " alr %1,%2\n" + " ahi %1,1\n" "0:\n" : "+d" (reg2), "+d" (reg3), "=d" (tmp) : "d" (base), "2" (1UL) : "cc" ); diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c index d66215b0fde9..b0b84c35b0ad 100644 --- a/arch/s390/lib/uaccess_pt.c +++ b/arch/s390/lib/uaccess_pt.c @@ -119,8 +119,6 @@ retry: goto fault; pfn = pte_pfn(*pte); - if (!pfn_valid(pfn)) - goto out; offset = uaddr & (PAGE_SIZE - 1); size = min(n - done, PAGE_SIZE - offset); @@ -135,7 +133,6 @@ retry: done += size; uaddr += size; } while (done < n); -out: spin_unlock(&mm->page_table_lock); return n - done; fault: @@ -163,9 +160,6 @@ retry: goto fault; pfn = pte_pfn(*pte); - if (!pfn_valid(pfn)) - goto out; - ret = (pfn << PAGE_SHIFT) + (uaddr & (PAGE_SIZE - 1)); out: return ret; @@ -244,11 +238,6 @@ retry: goto fault; pfn = pte_pfn(*pte); - if (!pfn_valid(pfn)) { - done = -1; - goto out; - } - offset = uaddr & (PAGE_SIZE-1); addr = (char *)(pfn << PAGE_SHIFT) + offset; len = min(count - done, PAGE_SIZE - offset); @@ -256,7 +245,6 @@ retry: done += len_str; uaddr += len_str; } while ((len_str == len) && (done < count)); -out: spin_unlock(&mm->page_table_lock); return done + 1; fault: @@ -325,12 +313,7 @@ retry: } pfn_from = pte_pfn(*pte_from); - if (!pfn_valid(pfn_from)) - goto out; pfn_to = pte_pfn(*pte_to); - if (!pfn_valid(pfn_to)) - goto out; - offset_from = uaddr_from & (PAGE_SIZE-1); offset_to = uaddr_from & (PAGE_SIZE-1); offset_max = max(offset_from, offset_to); @@ -342,7 +325,6 @@ retry: uaddr_from += size; uaddr_to += size; } while (done < n); -out: spin_unlock(&mm->page_table_lock); return n - done; fault: |