Patchwork [4/8] s390x/ioinst: Fixed alignment check in SCHM instruction

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Submitter Christian Borntraeger
Date July 29, 2013, 2 p.m.
Message ID <1375106418-22828-5-git-send-email-borntraeger@de.ibm.com>
Download mbox | patch
Permalink /patch/262796/
State New
Headers show

Comments

Christian Borntraeger - July 29, 2013, 2 p.m.
From: Thomas Huth <thuth@linux.vnet.ibm.com>

Register 2 only has to be aligned to a 32-byte boundary, not a
full page boundary.

Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
---
 target-s390x/ioinst.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/target-s390x/ioinst.c b/target-s390x/ioinst.c
index 0dc258f..098bd8d 100644
--- a/target-s390x/ioinst.c
+++ b/target-s390x/ioinst.c
@@ -688,7 +688,7 @@  int ioinst_handle_schm(CPUS390XState *env, uint64_t reg1, uint64_t reg2,
     update = SCHM_REG1_UPD(reg1);
     dct = SCHM_REG1_DCT(reg1);
 
-    if (update && (reg2 & 0x0000000000000fff)) {
+    if (update && (reg2 & 0x000000000000001f)) {
         program_interrupt(env, PGM_OPERAND, 2);
         return -EIO;
     }