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author | Helge Deller <deller@gmx.de> | 2015-02-16 21:21:00 (GMT) |
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committer | Helge Deller <deller@gmx.de> | 2015-02-16 21:35:06 (GMT) |
commit | c78c2b7e0409feed41ba1b5e84bff5d901c9b65f (patch) | |
tree | 66870948164f863cfc0c09e3c2de124ae94b71d7 /arch/parisc/kernel | |
parent | 863722e856e64dae0e252b6bb546737c6c5626ce (diff) | |
download | linux-c78c2b7e0409feed41ba1b5e84bff5d901c9b65f.tar.xz |
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.S | 20 | ||||
-rw-r--r-- | arch/parisc/kernel/process.c | 15 | ||||
-rw-r--r-- | arch/parisc/kernel/signal.c | 3 |
3 files changed, 4 insertions, 34 deletions
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index e8f07dd..2ab16bb 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 0bbbf0d..8a488c2 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 1fd300c..dc1ea79 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> |