[PATCH] s390 (1/10): arch fixes.
From: Martin Schwidefsky (schwidefsky@de.ibm.com)
Date: Mon May 26 2003 - 12:35:48 EST
Base s390 bug fixes:
- arch: Do create_proc_entry for debug feature outside spin locked code.
- arch: Fix system call tracing for 64 bit kernels.
- arch: Export empty_zero_page for use in binfmt_elf32 module.
- arch: Fix call trace output and remove dead remote-debug code.
- arch: Correct OUTPUT_ARCH for 64 bit compiles.
- arch: Fix in_atomic.
- arch: Fix broken _PAGE_INVALID_xxx definitions.
- arch: Add __kernel_old_dev_t for 64 bit.
- arch: adapt to new do_fork interface.
- arch: set CR5 to get program checks for space switching instructions.
- cio: Fix /proc output of blacklist ranges.
- cio: Restructure chsc to avoid GFP_KERNEL allocation while holding a lock.
- cio: Fix wait_cons_dev.
- qdio: use GFP_ATOMIC for memory allocations in interrupt.
diffstat:
arch/s390/defconfig | 10 +++++
arch/s390/kernel/debug.c | 16 ++++++---
arch/s390/kernel/entry64.S | 4 +-
arch/s390/kernel/head.S | 2 -
arch/s390/kernel/head64.S | 2 -
arch/s390/kernel/process.c | 21 +++--------
arch/s390/kernel/s390_ksyms.c | 1
arch/s390/kernel/smp.c | 3 +
arch/s390/kernel/traps.c | 31 +++++------------
arch/s390/vmlinux.lds.S | 2 -
drivers/s390/cio/blacklist.c | 4 +-
drivers/s390/cio/chsc.c | 72 ++++++++++++++++++-----------------------
drivers/s390/cio/cio.c | 7 +--
drivers/s390/cio/qdio.c | 7 ++-
include/asm-s390/hardirq.h | 2 -
include/asm-s390/pgtable.h | 6 +--
include/asm-s390/posix_types.h | 1
17 files changed, 92 insertions(+), 99 deletions(-)
diff -urN linux-2.5/arch/s390/defconfig linux-2.5-s390/arch/s390/defconfig
--- linux-2.5/arch/s390/defconfig Mon May 5 01:53:40 2003
+++ linux-2.5-s390/arch/s390/defconfig Mon May 26 19:20:42 2003
@@ -19,6 +19,9 @@
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
CONFIG_LOG_BUF_SHIFT=17
+# CONFIG_EMBEDDED is not set
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
#
# Loadable module support
@@ -162,6 +165,7 @@
# CONFIG_IPV6_PRIVACY is not set
# CONFIG_INET6_AH is not set
# CONFIG_INET6_ESP is not set
+# CONFIG_INET6_IPCOMP is not set
# CONFIG_XFRM_USER is not set
#
@@ -228,6 +232,10 @@
#
# Ethernet (1000 Mbit)
#
+
+#
+# Ethernet (10000 Mbit)
+#
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
@@ -262,6 +270,7 @@
CONFIG_EXT3_FS=y
CONFIG_EXT3_FS_XATTR=y
# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
@@ -292,6 +301,7 @@
CONFIG_PROC_FS=y
# CONFIG_DEVFS_FS is not set
CONFIG_DEVPTS_FS=y
+# CONFIG_DEVPTS_FS_XATTR is not set
# CONFIG_TMPFS is not set
CONFIG_RAMFS=y
diff -urN linux-2.5/arch/s390/kernel/debug.c linux-2.5-s390/arch/s390/kernel/debug.c
--- linux-2.5/arch/s390/kernel/debug.c Mon May 26 19:20:25 2003
+++ linux-2.5-s390/arch/s390/kernel/debug.c Mon May 26 19:20:42 2003
@@ -851,9 +851,17 @@
int i;
unsigned long flags;
mode_t mode = S_IFREG;
+ struct proc_dir_entry *pde;
if (!id)
goto out;
+ pde = create_proc_entry(view->name, mode, id->proc_root_entry);
+ if (!pde){
+ printk(KERN_WARNING "debug: create_proc_entry() failed! Cannot register view %s/%s\n", id->name,view->name);
+ rc = -1;
+ goto out;
+ }
+
spin_lock_irqsave(&id->lock, flags);
for (i = 0; i < DEBUG_MAX_VIEWS; i++) {
if (id->views[i] == NULL)
@@ -864,6 +872,7 @@
id->name,view->name);
printk(KERN_WARNING
"debug: maximum number of views reached (%i)!\n", i);
+ remove_proc_entry(pde->name, id->proc_root_entry);
rc = -1;
}
else {
@@ -872,11 +881,8 @@
mode |= S_IRUSR;
if (view->input_proc)
mode |= S_IWUSR;
- id->proc_entries[i] = create_proc_entry(view->name, mode,
- id->proc_root_entry);
- if (id->proc_entries[i] != NULL)
- id->proc_entries[i]->proc_fops = &debug_file_ops;
- rc = 0;
+ pde->proc_fops = &debug_file_ops;
+ id->proc_entries[i] = pde;
}
spin_unlock_irqrestore(&id->lock, flags);
out:
diff -urN linux-2.5/arch/s390/kernel/entry64.S linux-2.5-s390/arch/s390/kernel/entry64.S
--- linux-2.5/arch/s390/kernel/entry64.S Mon May 5 01:53:03 2003
+++ linux-2.5-s390/arch/s390/kernel/entry64.S Mon May 26 19:20:42 2003
@@ -249,14 +249,14 @@
# special linkage: %r12 contains the return address for trace_svc
#
sysc_tracesys:
- srl %r7,3
+ srl %r7,2
stg %r7,SP_R2(%r15)
brasl %r14,syscall_trace
larl %r1,.Lnr_syscalls
clc SP_R2(8,%r15),0(%r1)
jl sysc_tracego
lg %r7,SP_R2(%r15) # strace might have changed the
- sll %r7,3 # system call
+ sll %r7,2 # system call
lgf %r8,0(%r7,%r10)
sysc_tracego:
lmg %r3,%r6,SP_R3(%r15)
diff -urN linux-2.5/arch/s390/kernel/head.S linux-2.5-s390/arch/s390/kernel/head.S
--- linux-2.5/arch/s390/kernel/head.S Mon May 5 01:53:08 2003
+++ linux-2.5-s390/arch/s390/kernel/head.S Mon May 26 19:20:42 2003
@@ -573,7 +573,7 @@
.long .Lduct # cr2: dispatchable unit control table
.long 0 # cr3: instruction authorization
.long 0 # cr4: instruction authorization
- .long 0 # cr5: various things
+ .long 0xffffffff # cr5: primary-aste origin
.long 0 # cr6: I/O interrupts
.long 0 # cr7: secondary space segment table
.long 0 # cr8: access registers translation
diff -urN linux-2.5/arch/s390/kernel/head64.S linux-2.5-s390/arch/s390/kernel/head64.S
--- linux-2.5/arch/s390/kernel/head64.S Mon May 5 01:53:09 2003
+++ linux-2.5-s390/arch/s390/kernel/head64.S Mon May 26 19:20:42 2003
@@ -586,7 +586,7 @@
.quad .Lduct # cr2: dispatchable unit control table
.quad 0 # cr3: instruction authorization
.quad 0 # cr4: instruction authorization
- .quad 0 # cr5: various things
+ .quad 0xffffffffffffffff # cr5: primary-aste origin
.quad 0 # cr6: I/O interrupts
.quad 0 # cr7: secondary space segment table
.quad 0 # cr8: access registers translation
diff -urN linux-2.5/arch/s390/kernel/process.c linux-2.5-s390/arch/s390/kernel/process.c
--- linux-2.5/arch/s390/kernel/process.c Mon May 5 01:53:36 2003
+++ linux-2.5-s390/arch/s390/kernel/process.c Mon May 26 19:20:42 2003
@@ -166,7 +166,6 @@
int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
{
- struct task_struct *p;
struct pt_regs regs;
memset(®s, 0, sizeof(regs));
@@ -180,8 +179,8 @@
regs.orig_gpr2 = -1;
/* Ok, create the new process.. */
- p = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL, NULL);
- return IS_ERR(p) ? PTR_ERR(p) : p->pid;
+ return do_fork(flags | CLONE_VM | CLONE_UNTRACED,
+ 0, ®s, 0, NULL, NULL);
}
/*
@@ -272,16 +271,13 @@
asmlinkage int sys_fork(struct pt_regs regs)
{
- struct task_struct *p;
- p = do_fork(SIGCHLD, regs.gprs[15], ®s, 0, NULL, NULL);
- return IS_ERR(p) ? PTR_ERR(p) : p->pid;
+ return do_fork(SIGCHLD, regs.gprs[15], ®s, 0, NULL, NULL);
}
asmlinkage int sys_clone(struct pt_regs regs)
{
unsigned long clone_flags;
unsigned long newsp;
- struct task_struct *p;
int *parent_tidptr, *child_tidptr;
clone_flags = regs.gprs[3];
@@ -290,9 +286,8 @@
child_tidptr = (int *) regs.gprs[5];
if (!newsp)
newsp = regs.gprs[15];
- p = do_fork(clone_flags & ~CLONE_IDLETASK, newsp, ®s, 0,
- parent_tidptr, child_tidptr);
- return IS_ERR(p) ? PTR_ERR(p) : p->pid;
+ return do_fork(clone_flags & ~CLONE_IDLETASK, newsp, ®s, 0,
+ parent_tidptr, child_tidptr);
}
/*
@@ -307,10 +302,8 @@
*/
asmlinkage int sys_vfork(struct pt_regs regs)
{
- struct task_struct *p;
- p = do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
- regs.gprs[15], ®s, 0, NULL, NULL);
- return IS_ERR(p) ? PTR_ERR(p) : p->pid;
+ return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
+ regs.gprs[15], ®s, 0, NULL, NULL);
}
/*
diff -urN linux-2.5/arch/s390/kernel/s390_ksyms.c linux-2.5-s390/arch/s390/kernel/s390_ksyms.c
--- linux-2.5/arch/s390/kernel/s390_ksyms.c Mon May 26 19:20:25 2003
+++ linux-2.5-s390/arch/s390/kernel/s390_ksyms.c Mon May 26 19:20:42 2003
@@ -59,6 +59,7 @@
EXPORT_SYMBOL(dump_fpu);
EXPORT_SYMBOL(overflowuid);
EXPORT_SYMBOL(overflowgid);
+EXPORT_SYMBOL(empty_zero_page);
#ifdef CONFIG_S390_SUPPORT
/*
diff -urN linux-2.5/arch/s390/kernel/smp.c linux-2.5-s390/arch/s390/kernel/smp.c
--- linux-2.5/arch/s390/kernel/smp.c Mon May 5 01:52:48 2003
+++ linux-2.5-s390/arch/s390/kernel/smp.c Mon May 26 19:20:42 2003
@@ -469,7 +469,7 @@
/* don't care about the psw and regs settings since we'll never
reschedule the forked task. */
memset(®s,0,sizeof(struct pt_regs));
- return do_fork(CLONE_VM|CLONE_IDLETASK, 0, ®s, 0, NULL, NULL);
+ return copy_process(CLONE_VM|CLONE_IDLETASK, 0, ®s, 0, NULL, NULL);
}
int __cpu_up(unsigned int cpu)
@@ -498,6 +498,7 @@
printk("failed fork for CPU %d", cpu);
return -EIO;
}
+ wake_up_forked_process(idle);
/*
* We remove it from the pidhash and the runqueue
diff -urN linux-2.5/arch/s390/kernel/traps.c linux-2.5-s390/arch/s390/kernel/traps.c
--- linux-2.5/arch/s390/kernel/traps.c Mon May 26 19:20:25 2003
+++ linux-2.5-s390/arch/s390/kernel/traps.c Mon May 26 19:20:42 2003
@@ -282,7 +282,7 @@
const struct exception_table_entry *fixup;
fixup = search_exception_tables(regs->psw.addr & PSW_ADDR_INSN);
if (fixup)
- regs->psw.addr = fixup->fixup | ~PSW_ADDR_INSN;
+ regs->psw.addr = fixup->fixup | PSW_ADDR_AMODE;
else
die(str, regs, interruption_code);
}
@@ -293,27 +293,14 @@
return (void *)((regs->psw.addr-S390_lowcore.pgm_ilc) & PSW_ADDR_INSN);
}
-int do_debugger_trap(struct pt_regs *regs,int signal)
+static int do_debugger_trap(struct pt_regs *regs)
{
- if(regs->psw.mask&PSW_MASK_PSTATE)
- {
- if(current->ptrace & PT_PTRACED)
- force_sig(signal,current);
- else
- return 1;
- }
- else
- {
-#ifdef CONFIG_REMOTE_DEBUG
- if(gdb_stub_initialised)
- {
- gdb_stub_handle_exception(regs, signal);
- return 0;
- }
-#endif
- return 1;
+ if ((regs->psw.mask & PSW_MASK_PSTATE) &&
+ (current->ptrace & PT_PTRACED)) {
+ force_sig(SIGTRAP,current);
+ return 0;
}
- return 0;
+ return 1;
}
#define DO_ERROR(signr, str, name) \
@@ -400,7 +387,7 @@
*((__u16 *)opcode)=*((__u16 *)location);
if (*((__u16 *)opcode)==S390_BREAKPOINT_U16)
{
- if(do_debugger_trap(regs,SIGTRAP))
+ if(do_debugger_trap(regs))
signal = SIGILL;
}
#ifdef CONFIG_MATHEMU
@@ -659,7 +646,7 @@
per_info->lowcore.words.address=S390_lowcore.per_address;
per_info->lowcore.words.access_id=S390_lowcore.per_access_id;
}
- if (do_debugger_trap(regs,SIGTRAP)) {
+ if (do_debugger_trap(regs)) {
/* I've seen this possibly a task structure being reused ? */
printk("Spurious per exception detected\n");
printk("switching off per tracing for this task.\n");
diff -urN linux-2.5/arch/s390/vmlinux.lds.S linux-2.5-s390/arch/s390/vmlinux.lds.S
--- linux-2.5/arch/s390/vmlinux.lds.S Mon May 5 01:53:12 2003
+++ linux-2.5-s390/arch/s390/vmlinux.lds.S Mon May 26 19:20:42 2003
@@ -12,7 +12,7 @@
jiffies = jiffies_64 + 4;
#else
OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
-OUTPUT_ARCH(s390)
+OUTPUT_ARCH(s390:64-bit)
ENTRY(_start)
jiffies = jiffies_64;
#endif
diff -urN linux-2.5/drivers/s390/cio/blacklist.c linux-2.5-s390/drivers/s390/cio/blacklist.c
--- linux-2.5/drivers/s390/cio/blacklist.c Mon May 5 01:53:09 2003
+++ linux-2.5-s390/drivers/s390/cio/blacklist.c Mon May 26 19:20:42 2003
@@ -1,7 +1,7 @@
/*
* drivers/s390/cio/blacklist.c
* S/390 common I/O routines -- blacklisting of specific devices
- * $Revision: 1.23 $
+ * $Revision: 1.24 $
*
* Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH,
* IBM Corporation
@@ -197,7 +197,7 @@
while (++devno < __MAX_SUBCHANNELS)
if (!test_bit(devno, bl_dev))
break;
- len += sprintf(page + len, "-0x%04lx", devno);
+ len += sprintf(page + len, "-0x%04lx", --devno);
}
len += sprintf(page + len, "\n");
}
diff -urN linux-2.5/drivers/s390/cio/chsc.c linux-2.5-s390/drivers/s390/cio/chsc.c
--- linux-2.5/drivers/s390/cio/chsc.c Mon May 5 01:53:31 2003
+++ linux-2.5-s390/drivers/s390/cio/chsc.c Mon May 26 19:20:42 2003
@@ -1,7 +1,7 @@
/*
* drivers/s390/cio/chsc.c
* S/390 common I/O routines -- channel subsystem call
- * $Revision: 1.67 $
+ * $Revision: 1.69 $
*
* Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH,
* IBM Corporation
@@ -71,12 +71,11 @@
}
/* FIXME: this is _always_ called for every subchannel. shouldn't we
- * process more than one at a time?*/
+ * process more than one at a time? */
static int
-chsc_get_sch_desc_irq(int irq)
+chsc_get_sch_desc_irq(int irq, void *page)
{
int ccode, chpid, j;
- int ret;
struct {
struct chsc_header request;
@@ -100,11 +99,7 @@
u16 fla[8]; /* full link addresses 0-7 */
} *ssd_area;
- ssd_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
- if (!ssd_area) {
- CIO_CRW_EVENT(0, "No memory for ssd area!\n");
- return -ENOMEM;
- }
+ ssd_area = page;
ssd_area->request = (struct chsc_header) {
.length = 0x0010,
@@ -117,34 +112,29 @@
ccode = chsc(ssd_area);
if (ccode > 0) {
pr_debug("chsc returned with ccode = %d\n", ccode);
- ret = (ccode == 3) ? -ENODEV : -EBUSY;
- goto out;
+ return (ccode == 3) ? -ENODEV : -EBUSY;
}
switch (ssd_area->response.code) {
case 0x0001: /* everything ok */
- ret = 0;
break;
case 0x0002:
CIO_CRW_EVENT(2, "Invalid command!\n");
case 0x0003:
CIO_CRW_EVENT(2, "Error in chsc request block!\n");
- ret = -EINVAL;
+ return -EINVAL;
break;
case 0x0004:
CIO_CRW_EVENT(2, "Model does not provide ssd\n");
- ret = -EOPNOTSUPP;
+ return -EOPNOTSUPP;
break;
default:
CIO_CRW_EVENT(2, "Unknown CHSC response %d\n",
ssd_area->response.code);
- ret = -EIO;
+ return -EIO;
break;
}
- if (ret != 0)
- goto out;
-
/*
* ssd_area->st stores the type of the detected
* subchannel, with the following definitions:
@@ -167,14 +157,14 @@
* time since this code was written; since we don't know which
* fields have meaning and what to do with it we just jump out
*/
- goto out;
+ return 0;
} else {
const char *type[4] = {"I/O", "chsc", "message", "ADM"};
CIO_CRW_EVENT(6, "ssd: sch %x is %s subchannel\n",
irq, type[ssd_area->st]);
if (ioinfo[irq] == NULL)
/* FIXME: we should do device rec. here... */
- goto out;
+ return 0;
ioinfo[irq]->ssd_info.valid = 1;
ioinfo[irq]->ssd_info.type = ssd_area->st;
@@ -195,9 +185,8 @@
ioinfo[irq]->ssd_info.fla[j] = ssd_area->fla[j];
}
}
-out:
- free_page ((unsigned long) ssd_area);
- return ret;
+
+ return 0;
}
static int
@@ -205,6 +194,7 @@
{
int irq;
int err;
+ void *page;
CIO_TRACE_EVENT( 4, "gsdesc");
@@ -212,11 +202,15 @@
* get information about chpids and link addresses
* by executing the chsc command 'store subchannel description'
*/
+ page = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ if (!page)
+ return -ENOMEM;
+
for (irq = 0; irq <= highest_subchannel; irq++) {
/*
* retrieve information for each sch
*/
- err = chsc_get_sch_desc_irq(irq);
+ err = chsc_get_sch_desc_irq(irq, page);
if (err) {
static int cio_chsc_err_msg;
@@ -230,8 +224,10 @@
}
return err;
}
+ clear_page(page);
}
cio_chsc_desc_avail = 1;
+ free_page((unsigned long)page);
return 0;
}
@@ -352,14 +348,14 @@
static int
s390_process_res_acc_sch(u8 chpid, __u16 fla, u32 fla_mask,
- struct subchannel *sch)
+ struct subchannel *sch, void *page)
{
int found;
int chp;
int ccode;
/* Update our ssd_info */
- if (chsc_get_sch_desc_irq(sch->irq))
+ if (chsc_get_sch_desc_irq(sch->irq, page))
return 0;
found = 0;
@@ -396,6 +392,7 @@
int irq;
int ret;
char dbf_txt[15];
+ void *page;
sprintf(dbf_txt, "accpr%x", chpid);
CIO_TRACE_EVENT( 2, dbf_txt);
@@ -412,22 +409,13 @@
* will we have to do.
*/
- if (!cio_chsc_desc_avail)
- chsc_get_sch_descriptions();
-
- if (!cio_chsc_desc_avail) {
- /*
- * Something went wrong...
- */
- CIO_CRW_EVENT(0, "Error: Could not retrieve "
- "subchannel descriptions, will not process css"
- "machine check...\n");
- return;
- }
-
if (!test_bit(chpid, chpids_logical))
return; /* no need to do the rest */
+ page = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ if (!page)
+ return;
+
for (irq = 0; irq < __MAX_SUBCHANNELS; irq++) {
int chp_mask;
@@ -450,7 +438,10 @@
spin_lock_irq(&sch->lock);
- chp_mask = s390_process_res_acc_sch(chpid, fla, fla_mask, sch);
+ chp_mask = s390_process_res_acc_sch(chpid, fla, fla_mask,
+ sch, page);
+ clear_page(page);
+
if (chp_mask == 0) {
spin_unlock_irq(&sch->lock);
@@ -475,6 +466,7 @@
if (fla_mask != 0)
break;
}
+ free_page((unsigned long)page);
}
static void
diff -urN linux-2.5/drivers/s390/cio/cio.c linux-2.5-s390/drivers/s390/cio/cio.c
--- linux-2.5/drivers/s390/cio/cio.c Mon May 5 01:53:56 2003
+++ linux-2.5-s390/drivers/s390/cio/cio.c Mon May 26 19:20:42 2003
@@ -1,7 +1,7 @@
/*
* drivers/s390/cio/cio.c
* S/390 common I/O routines -- low level i/o calls
- * $Revision: 1.97 $
+ * $Revision: 1.98 $
*
* Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH,
* IBM Corporation
@@ -146,7 +146,7 @@
/* Not status pending or not operational. */
return 1;
sch = ioinfo[tpi_info->irq];
- if (sch)
+ if (!sch)
return 1;
irq_enter ();
spin_lock(&sch->lock);
@@ -658,8 +658,7 @@
* before entering the spinlock we may already have
* processed the interrupt on a different CPU...
*/
- if (!console_subchannel_in_use ||
- console_subchannel.schib.scsw.actl == 0)
+ if (!console_subchannel_in_use)
return;
/* disable all but isc 7 (console device) */
diff -urN linux-2.5/drivers/s390/cio/qdio.c linux-2.5-s390/drivers/s390/cio/qdio.c
--- linux-2.5/drivers/s390/cio/qdio.c Mon May 5 01:53:32 2003
+++ linux-2.5-s390/drivers/s390/cio/qdio.c Mon May 26 19:20:42 2003
@@ -55,7 +55,7 @@
#include "ioasm.h"
#include "chsc.h"
-#define VERSION_QDIO_C "$Revision: 1.48 $"
+#define VERSION_QDIO_C "$Revision: 1.49 $"
/****************** MODULE PARAMETER VARIABLES ********************/
MODULE_AUTHOR("Utz Bacher <utz.bacher@xxxxxxxxxx>");
@@ -1668,6 +1668,7 @@
switch (irq_ptr->state) {
case QDIO_IRQ_STATE_INACTIVE:
+ /* FIXME: defer this past interrupt time */
qdio_establish_handle_irq(cdev, cstat, dstat);
break;
@@ -1763,7 +1764,8 @@
u8 ocnt;
} *ssqd_area;
- ssqd_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ /* FIXME make this GFP_KERNEL */
+ ssqd_area = (void *)get_zeroed_page(GFP_ATOMIC | GFP_DMA);
if (!ssqd_area) {
QDIO_PRINT_WARN("Could not get memory for chsc. Using all " \
"SIGAs for sch x%x.\n", sch);
@@ -2644,6 +2646,7 @@
return result;
}
+ /* FIXME: don't wait forever if hardware is broken */
wait_event(cdev->private->wait_q,
irq_ptr->state == QDIO_IRQ_STATE_ESTABLISHED ||
irq_ptr->state == QDIO_IRQ_STATE_ERR);
diff -urN linux-2.5/include/asm-s390/hardirq.h linux-2.5-s390/include/asm-s390/hardirq.h
--- linux-2.5/include/asm-s390/hardirq.h Mon May 26 19:20:29 2003
+++ linux-2.5-s390/include/asm-s390/hardirq.h Mon May 26 19:20:42 2003
@@ -83,7 +83,7 @@
#define invoke_softirq() do_call_softirq()
#ifdef CONFIG_PREEMPT
-# define in_atomic() (in_interrupt() || preempt_count() == PREEMPT_ACTIVE)
+# define in_atomic() ((preempt_count() & ~PREEMPT_ACTIVE) != kernel_locked())
# define IRQ_EXIT_OFFSET (HARDIRQ_OFFSET-1)
#else
# define in_atomic() (preempt_count() != 0)
diff -urN linux-2.5/include/asm-s390/pgtable.h linux-2.5-s390/include/asm-s390/pgtable.h
--- linux-2.5/include/asm-s390/pgtable.h Mon May 5 01:53:37 2003
+++ linux-2.5-s390/include/asm-s390/pgtable.h Mon May 26 19:20:42 2003
@@ -218,9 +218,9 @@
/* Mask and four different kinds of invalid pages. */
#define _PAGE_INVALID_MASK 0x601
#define _PAGE_INVALID_EMPTY 0x400
-#define _PAGE_INVALID_NONE 0x001
-#define _PAGE_INVALID_SWAP 0x200
-#define _PAGE_INVALID_FILE 0x201
+#define _PAGE_INVALID_NONE 0x401
+#define _PAGE_INVALID_SWAP 0x600
+#define _PAGE_INVALID_FILE 0x601
#ifndef __s390x__
diff -urN linux-2.5/include/asm-s390/posix_types.h linux-2.5-s390/include/asm-s390/posix_types.h
--- linux-2.5/include/asm-s390/posix_types.h Mon May 5 01:52:48 2003
+++ linux-2.5-s390/include/asm-s390/posix_types.h Mon May 26 19:20:42 2003
@@ -65,6 +65,7 @@
typedef __kernel_gid_t __kernel_old_gid_t;
typedef __kernel_uid_t __kernel_uid32_t;
typedef __kernel_gid_t __kernel_gid32_t;
+typedef unsigned short __kernel_old_dev_t;
#endif /* __s390x__ */
-
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