ARM: another fix for the DMA mapping checks

[~andy/linux] / arch / sparc / kernel / ktlb.S

diff --git a/arch/sparc/kernel/ktlb.S b/arch/sparc/kernel/ktlb.S
index fde5a419cf27e0fdd4173aa2993312928bc120ec..542e96ac4d39948c165bd63eb9a43e25c0ba72e4 100644 (file)
--- a/arch/sparc/kernel/ktlb.S
+++ b/arch/sparc/kernel/ktlb.S
@@ -153,12 +153,19 @@ kvmap_dtlb_tsb4m_miss:
        /* Clear the PAGE_OFFSET top virtual bits, shift
         * down to get PFN, and make sure PFN is in range.
         */
-       sllx            %g4, 21, %g5
+661:   sllx            %g4, 0, %g5
+       .section        .page_offset_shift_patch, "ax"
+       .word           661b
+       .previous
 
        /* Check to see if we know about valid memory at the 4MB
         * chunk this physical address will reside within.
         */
-       srlx            %g5, 21 + 41, %g2
+661:   srlx            %g5, MAX_PHYS_ADDRESS_BITS, %g2
+       .section        .page_offset_shift_patch, "ax"
+       .word           661b
+       .previous
+
        brnz,pn         %g2, kvmap_dtlb_longpath
         nop
 
@@ -176,7 +183,11 @@ valid_addr_bitmap_patch:
        or              %g7, %lo(sparc64_valid_addr_bitmap), %g7
        .previous
 
-       srlx            %g5, 21 + 22, %g2
+661:   srlx            %g5, ILOG2_4MB, %g2
+       .section        .page_offset_shift_patch, "ax"
+       .word           661b
+       .previous
+
        srlx            %g2, 6, %g5
        and             %g2, 63, %g2
        sllx            %g5, 3, %g5
@@ -189,9 +200,18 @@ valid_addr_bitmap_patch:
 2:      sethi          %hi(kpte_linear_bitmap), %g2
 
        /* Get the 256MB physical address index. */
-       sllx            %g4, 21, %g5
+661:   sllx            %g4, 0, %g5
+       .section        .page_offset_shift_patch, "ax"
+       .word           661b
+       .previous
+
        or              %g2, %lo(kpte_linear_bitmap), %g2
-       srlx            %g5, 21 + 28, %g5
+
+661:   srlx            %g5, ILOG2_256MB, %g5
+       .section        .page_offset_shift_patch, "ax"
+       .word           661b
+       .previous
+
        and             %g5, (32 - 1), %g7
 
        /* Divide by 32 to get the offset into the bitmask.  */