From: Jeff Dike <jdike@addtoit.com>
To: akpm@osdl.org, Blaisorblade <blaisorblade_spam@yahoo.it>,
Bodo Stroesser <bstroesser@fujitsu-siemens.com>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 3/11] - UML - don't rule out syscall_nr == 0
Date: Fri, 12 Nov 2004 21:00:47 -0500 [thread overview]
Message-ID: <200411130200.iAD20lpT005859@ccure.user-mode-linux.org> (raw)
>From Bodo Stroesser - Change the valid system call numbers to reflect the
possibility that we could have __NR_restart_syscall.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Index: 2.6.9/arch/um/kernel/skas/process.c
===================================================================
--- 2.6.9.orig/arch/um/kernel/skas/process.c 2004-11-12 13:24:54.000000000 -0500
+++ 2.6.9/arch/um/kernel/skas/process.c 2004-11-12 13:34:34.000000000 -0500
@@ -64,7 +64,7 @@
syscall_nr = PT_SYSCALL_NR(regs->skas.regs);
UPT_SYSCALL_NR(regs) = syscall_nr;
- if(syscall_nr < 1){
+ if(syscall_nr < 0){
relay_signal(SIGTRAP, regs);
return;
}
Index: 2.6.9/arch/um/kernel/tt/syscall_user.c
===================================================================
--- 2.6.9.orig/arch/um/kernel/tt/syscall_user.c 2004-11-12 13:24:54.000000000 -0500
+++ 2.6.9/arch/um/kernel/tt/syscall_user.c 2004-11-12 18:05:29.000000000 -0500
@@ -63,7 +63,8 @@
regs = TASK_REGS(task);
UPT_SYSCALL_NR(regs) = syscall;
- if(syscall < 1) return(0);
+ if(syscall < 0)
+ return(0);
if((syscall != __NR_sigreturn) &&
((unsigned long *) PT_IP(proc_regs) >= &_stext) &&
reply other threads:[~2004-11-12 23:58 UTC|newest]
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