From f64ca21714f114a78b6c19ceabc7745b29913efc Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Fri, 26 Feb 2010 22:37:32 +0100
Subject: [S390] zfcpdump: remove cross arch dump support
Remove support to be able to dump 31 bit systems with a 64 bit dumper.
This is mostly useless since no distro ships 31 bit kernels together
with a 64 bit dumper.
We also get rid of a bit of hacky code.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
arch/s390/include/asm/lowcore.h | 26 ++++++++++----------------
arch/s390/include/asm/smp.h | 2 +-
2 files changed, 11 insertions(+), 17 deletions(-)
(limited to 'arch/s390/include/asm')
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index c25dfac7dd76..8ed3c745cd07 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -144,7 +144,9 @@ void pgm_check_handler(void);
void mcck_int_handler(void);
void io_int_handler(void);
-struct save_area_s390 {
+#ifdef CONFIG_32BIT
+
+struct save_area {
u32 ext_save;
u64 timer;
u64 clk_cmp;
@@ -158,7 +160,11 @@ struct save_area_s390 {
u32 ctrl_regs[16];
} __attribute__((packed));
-struct save_area_s390x {
+#define SAVE_AREA_BASE offsetof(struct _lowcore, extended_save_area_addr)
+
+#else /* CONFIG_32BIT */
+
+struct save_area {
u64 fp_regs[16];
u64 gp_regs[16];
u8 psw[16];
@@ -174,21 +180,9 @@ struct save_area_s390x {
u64 ctrl_regs[16];
} __attribute__((packed));
-union save_area {
- struct save_area_s390 s390;
- struct save_area_s390x s390x;
-};
-
-#define SAVE_AREA_BASE_S390 0xd4
-#define SAVE_AREA_BASE_S390X 0x1200
+#define SAVE_AREA_BASE offsetof(struct _lowcore, floating_pt_save_area)
-#ifndef __s390x__
-#define SAVE_AREA_SIZE sizeof(struct save_area_s390)
-#define SAVE_AREA_BASE SAVE_AREA_BASE_S390
-#else
-#define SAVE_AREA_SIZE sizeof(struct save_area_s390x)
-#define SAVE_AREA_BASE SAVE_AREA_BASE_S390X
-#endif
+#endif /* CONFIG_32BIT */
#ifndef __s390x__
#define LC_ORDER 0
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index 2ab1141eeb50..9d2acb0b4847 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -29,7 +29,7 @@ extern int smp_cpu_polarization[];
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
-extern union save_area *zfcpdump_save_areas[NR_CPUS + 1];
+extern struct save_area *zfcpdump_save_areas[NR_CPUS + 1];
#endif /* CONFIG_SMP */
--
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