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authorKyle McMartin <kyle@parisc-linux.org>2006-04-22 02:48:22 -0400
committerKyle McMartin <kyle@hera.kernel.org>2006-06-27 19:28:32 -0400
commit64f495323c9a902b3e59fe0a588585102bb3b13e (patch)
tree202d6c0105b0348aadfa8761e7c3cf27a5e98db9 /arch/parisc
parentf36f44de721db44b4c2944133c3c5c2e06f633f0 (diff)
[PARISC] Ensure all ldcw uses are ldcw,co on pa2.0
ldcw,co should always be used on pa2.0, otherwise the strict cache width alignment requirement is not relaxed. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/kernel/entry.S6
-rw-r--r--arch/parisc/kernel/syscall.S2
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index d9e53cf0372..630730c32a5 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -1638,7 +1638,7 @@ dbit_trap_20w:
1638 load32 PA(pa_dbit_lock),t0 1638 load32 PA(pa_dbit_lock),t0
1639 1639
1640dbit_spin_20w: 1640dbit_spin_20w:
1641 ldcw 0(t0),t1 1641 LDCW 0(t0),t1
1642 cmpib,= 0,t1,dbit_spin_20w 1642 cmpib,= 0,t1,dbit_spin_20w
1643 nop 1643 nop
1644 1644
@@ -1674,7 +1674,7 @@ dbit_trap_11:
1674 load32 PA(pa_dbit_lock),t0 1674 load32 PA(pa_dbit_lock),t0
1675 1675
1676dbit_spin_11: 1676dbit_spin_11:
1677 ldcw 0(t0),t1 1677 LDCW 0(t0),t1
1678 cmpib,= 0,t1,dbit_spin_11 1678 cmpib,= 0,t1,dbit_spin_11
1679 nop 1679 nop
1680 1680
@@ -1714,7 +1714,7 @@ dbit_trap_20:
1714 load32 PA(pa_dbit_lock),t0 1714 load32 PA(pa_dbit_lock),t0
1715 1715
1716dbit_spin_20: 1716dbit_spin_20:
1717 ldcw 0(t0),t1 1717 LDCW 0(t0),t1
1718 cmpib,= 0,t1,dbit_spin_20 1718 cmpib,= 0,t1,dbit_spin_20
1719 nop 1719 nop
1720 1720
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 479d9a017cd..a028c990cbf 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -541,7 +541,7 @@ cas_nocontend:
541# endif 541# endif
542/* ENABLE_LWS_DEBUG */ 542/* ENABLE_LWS_DEBUG */
543 543
544 ldcw 0(%sr2,%r20), %r28 /* Try to acquire the lock */ 544 LDCW 0(%sr2,%r20), %r28 /* Try to acquire the lock */
545 cmpb,<>,n %r0, %r28, cas_action /* Did we get it? */ 545 cmpb,<>,n %r0, %r28, cas_action /* Did we get it? */
546cas_wouldblock: 546cas_wouldblock:
547 ldo 2(%r0), %r28 /* 2nd case */ 547 ldo 2(%r0), %r28 /* 2nd case */