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authorHelge Deller <deller@gmx.de>2015-02-16 22:21:00 +0100
committerHelge Deller <deller@gmx.de>2015-02-16 22:35:06 +0100
commitc78c2b7e0409feed41ba1b5e84bff5d901c9b65f (patch)
tree66870948164f863cfc0c09e3c2de124ae94b71d7 /arch/parisc/kernel
parent863722e856e64dae0e252b6bb546737c6c5626ce (diff)
parisc: hpux - Remove hpux gateway page
Drop code to create HP-UX gateway page and syscall entry code. Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/kernel')
-rw-r--r--arch/parisc/kernel/entry.S20
-rw-r--r--arch/parisc/kernel/process.c15
-rw-r--r--arch/parisc/kernel/signal.c3
3 files changed, 4 insertions, 34 deletions
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index e8f07dd2840..2ab16bb160a 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -1774,10 +1774,6 @@ ENTRY(sys_rt_sigreturn_wrapper)
ENDPROC(sys_rt_sigreturn_wrapper)
ENTRY(syscall_exit)
- /* NOTE: HP-UX syscalls also come through here
- * after hpux_syscall_exit fixes up return
- * values. */
-
/* NOTE: Not all syscalls exit this way. rt_sigreturn will exit
* via syscall_exit_rfi if the signal was received while the process
* was running.
@@ -1789,22 +1785,6 @@ ENTRY(syscall_exit)
LDREG TI_TASK(%r1),%r1
STREG %r28,TASK_PT_GR28(%r1)
-#ifdef CONFIG_HPUX
-/* <linux/personality.h> cannot be easily included */
-#define PER_HPUX 0x10
- ldw TASK_PERSONALITY(%r1),%r19
-
- /* We can't use "CMPIB<> PER_HPUX" since "im5" field is sign extended */
- ldo -PER_HPUX(%r19), %r19
- cmpib,COND(<>),n 0,%r19,1f
-
- /* Save other hpux returns if personality is PER_HPUX */
- STREG %r22,TASK_PT_GR22(%r1)
- STREG %r29,TASK_PT_GR29(%r1)
-1:
-
-#endif /* CONFIG_HPUX */
-
/* Seems to me that dp could be wrong here, if the syscall involved
* calling a module, and nothing got round to restoring dp on return.
*/
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 0bbbf0d3f60..8a488c22a99 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -193,9 +193,7 @@ copy_thread(unsigned long clone_flags, unsigned long usp,
* Make them const so the compiler knows they live in .text */
extern void * const ret_from_kernel_thread;
extern void * const child_return;
-#ifdef CONFIG_HPUX
- extern void * const hpux_child_return;
-#endif
+
if (unlikely(p->flags & PF_KTHREAD)) {
memset(cregs, 0, sizeof(struct pt_regs));
if (!usp) /* idle thread */
@@ -229,15 +227,8 @@ copy_thread(unsigned long clone_flags, unsigned long usp,
cregs->gr[30] = usp;
}
cregs->ksp = (unsigned long)stack + THREAD_SZ_ALGN + FRAME_SIZE;
- if (personality(p->personality) == PER_HPUX) {
-#ifdef CONFIG_HPUX
- cregs->kpc = (unsigned long) &hpux_child_return;
-#else
- BUG();
-#endif
- } else {
- cregs->kpc = (unsigned long) &child_return;
- }
+ cregs->kpc = (unsigned long) &child_return;
+
/* Setup thread TLS area from the 4th parameter in clone */
if (clone_flags & CLONE_SETTLS)
cregs->cr27 = cregs->gr[23];
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 1fd300c00a8..dc1ea796fd6 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -9,8 +9,7 @@
*
* Like the IA-64, we are a recent enough port (we are *starting*
* with glibc2.2) that we do not need to support the old non-realtime
- * Linux signals. Therefore we don't. HP/UX signals will go in
- * arch/parisc/hpux/signal.c when we figure out how to do them.
+ * Linux signals. Therefore we don't.
*/
#include <linux/sched.h>