s390/lowcore: replace lowcore irb array with a per-cpu variable

Remove the 96-byte irb array from the lowcore and create a per-cpu
variable instead. That way we will pick up any change in the definition
of the struct irb automatically.

Acked-By: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 3 insertions, 10 deletions

diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index a406f24737cd..2070cad80e9e 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -143,10 +143,7 @@ struct _lowcore {
         __u32   ftrace_func;                    /* 0x02f8 */
         __u32   spinlock_lockval;               /* 0x02fc */
 
-        /* Interrupt response block */
-        __u8    irb[96];                        /* 0x0300 */
-
-        __u8    pad_0x0360[0x0e00-0x0360];      /* 0x0360 */
+        __u8    pad_0x0300[0x0e00-0x0300];      /* 0x0300 */
 
         /*
          * 0xe00 contains the address of the IPL Parameter Information
@@ -292,14 +289,10 @@ struct _lowcore {
         __u32   spinlock_lockval;               /* 0x03a0 */
         __u8    pad_0x03a0[0x0400-0x03a4];      /* 0x03a4 */
 
-        /* Interrupt response block. */
-        __u8    irb[96];                        /* 0x0400 */
-        __u8    pad_0x0460[0x0480-0x0460];      /* 0x0460 */
-
         /* Per cpu primary space access list */
-        __u32   paste[16];                      /* 0x0480 */
+        __u32   paste[16];                      /* 0x0400 */
 
-        __u8    pad_0x04c0[0x0e00-0x04c0];      /* 0x04c0 */
+        __u8    pad_0x04c0[0x0e00-0x0440];      /* 0x0440 */
 
         /*
          * 0xe00 contains the address of the IPL Parameter Information