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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-09 11:15:23 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-09 11:15:23 -0800
commit531021f2ca681faf58f926771f85bb5c76f13eba (patch)
treeb730cd35a1bde5f2ddd85e080a6269df96c50074 /arch/s390/kernel
parent451688ba0b488faf274e13dc591734b1e695642c (diff)
parent6252d702c5311ce916caf75ed82e5c8245171c92 (diff)
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] dynamic page tables. [S390] Add four level page tables for CONFIG_64BIT=y. [S390] 1K/2K page table pages. [S390] Remove a.out header file. [S390] sclp_vt220: Fix vt220 initialization [S390] qdio: avoid hang when establishing qdio queues [S390] VMEM_MAX_PHYS overflow on 31 bit. [S390] zcrypt: Do not start ap poll thread per default [S390] Fix __ffs_word_loop/__ffz_word_loop inlnie assembly. [S390] Wire up new timerfd syscalls. [S390] Update default configuration.
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/binfmt_elf32.c11
-rw-r--r--arch/s390/kernel/compat_wrapper.S20
-rw-r--r--arch/s390/kernel/process.c1
-rw-r--r--arch/s390/kernel/setup.c1
-rw-r--r--arch/s390/kernel/syscalls.S3
-rw-r--r--arch/s390/kernel/traps.c3
6 files changed, 36 insertions, 3 deletions
diff --git a/arch/s390/kernel/binfmt_elf32.c b/arch/s390/kernel/binfmt_elf32.c
index f1e40ca00d8..3e1c315b736 100644
--- a/arch/s390/kernel/binfmt_elf32.c
+++ b/arch/s390/kernel/binfmt_elf32.c
@@ -134,6 +134,7 @@ static inline int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpregs)
}
#include <asm/processor.h>
+#include <asm/pgalloc.h>
#include <linux/module.h>
#include <linux/elfcore.h>
#include <linux/binfmts.h>
@@ -183,6 +184,16 @@ struct elf_prpsinfo32
#undef start_thread
#define start_thread start_thread31
+static inline void start_thread31(struct pt_regs *regs, unsigned long new_psw,
+ unsigned long new_stackp)
+{
+ set_fs(USER_DS);
+ regs->psw.mask = psw_user32_bits;
+ regs->psw.addr = new_psw;
+ regs->gprs[15] = new_stackp;
+ crst_table_downgrade(current->mm, 1UL << 31);
+}
+
MODULE_DESCRIPTION("Binary format loader for compatibility with 32bit Linux for S390 binaries,"
" Copyright 2000 IBM Corporation");
MODULE_AUTHOR("Gerhard Tonn <ton@de.ibm.com>");
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 062c3d4c039..743d54f0b8d 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1712,3 +1712,23 @@ sys_fallocate_wrapper:
sllg %r5,%r6,32 # get high word of 64bit loff_t
l %r5,164(%r15) # get low word of 64bit loff_t
jg sys_fallocate
+
+ .globl sys_timerfd_create_wrapper
+sys_timerfd_create_wrapper:
+ lgfr %r2,%r2 # int
+ lgfr %r3,%r3 # int
+ jg sys_timerfd_create
+
+ .globl compat_sys_timerfd_settime_wrapper
+compat_sys_timerfd_settime_wrapper:
+ lgfr %r2,%r2 # int
+ lgfr %r3,%r3 # int
+ llgtr %r4,%r4 # struct compat_itimerspec *
+ llgtr %r5,%r5 # struct compat_itimerspec *
+ jg compat_sys_timerfd_settime
+
+ .globl compat_sys_timerfd_gettime_wrapper
+compat_sys_timerfd_gettime_wrapper:
+ lgfr %r2,%r2 # int
+ llgtr %r3,%r3 # struct compat_itimerspec *
+ jg compat_sys_timerfd_gettime
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 0e7aca03930..a6a4729e0e9 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -29,7 +29,6 @@
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/user.h>
-#include <linux/a.out.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/reboot.h>
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index f9f8779022a..290e504061a 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -24,7 +24,6 @@
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/user.h>
-#include <linux/a.out.h>
#include <linux/tty.h>
#include <linux/ioport.h>
#include <linux/delay.h>
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 25eac7802fc..c87ec687d4c 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -327,3 +327,6 @@ SYSCALL(sys_utimensat,sys_utimensat,compat_sys_utimensat_wrapper) /* 315 */
SYSCALL(sys_signalfd,sys_signalfd,compat_sys_signalfd_wrapper)
NI_SYSCALL /* 317 old sys_timer_fd */
SYSCALL(sys_eventfd,sys_eventfd,sys_eventfd_wrapper)
+SYSCALL(sys_timerfd_create,sys_timerfd_create,sys_timerfd_create_wrapper)
+SYSCALL(sys_timerfd_settime,sys_timerfd_settime,compat_sys_timerfd_settime_wrapper) /* 320 */
+SYSCALL(sys_timerfd_gettime,sys_timerfd_gettime,compat_sys_timerfd_gettime_wrapper)
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index a4d29025ddb..60f728aeaf1 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -60,6 +60,7 @@ int sysctl_userprocess_debug = 0;
extern pgm_check_handler_t do_protection_exception;
extern pgm_check_handler_t do_dat_exception;
extern pgm_check_handler_t do_monitor_call;
+extern pgm_check_handler_t do_asce_exception;
#define stack_pointer ({ void **sp; asm("la %0,0(15)" : "=&d" (sp)); sp; })
@@ -730,7 +731,7 @@ void __init trap_init(void)
pgm_check_table[0x12] = &translation_exception;
pgm_check_table[0x13] = &special_op_exception;
#ifdef CONFIG_64BIT
- pgm_check_table[0x38] = &do_dat_exception;
+ pgm_check_table[0x38] = &do_asce_exception;
pgm_check_table[0x39] = &do_dat_exception;
pgm_check_table[0x3A] = &do_dat_exception;
pgm_check_table[0x3B] = &do_dat_exception;