[POWERPC] Remove last_syscall

Remove last_syscall from 32bit powerpc, its been gone in 64bit for years.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 030d300..9735e82 100644 (file)
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -77,7 +77,6 @@ int main(void)
        DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
 #else /* CONFIG_PPC64 */
        DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
-       DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall));
 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
        DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
        DEFINE(PT_PTRACED, PT_PTRACED);

diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index c03e829..c29d165 100644 (file)
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -191,7 +191,6 @@ stack_ovf:
 0:
 
 _GLOBAL(DoSyscall)
-       stw     r0,THREAD+LAST_SYSCALL(r2)
        stw     r3,ORIG_GPR3(r1)
        li      r12,0
        stw     r12,RESULT(r1)

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 972b2ac..0df0492 100644 (file)
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -567,7 +567,6 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
        kregs->nip = *((unsigned long *)ret_from_fork);
 #else
        kregs->nip = (unsigned long)ret_from_fork;
-       p->thread.last_syscall = -1;
 #endif
 
        return 0;

diff --git a/arch/ppc/kernel/asm-offsets.c b/arch/ppc/kernel/asm-offsets.c
index 1f91eca..c5850a2 100644 (file)
--- a/arch/ppc/kernel/asm-offsets.c
+++ b/arch/ppc/kernel/asm-offsets.c
@@ -40,7 +40,6 @@ main(void)
        DEFINE(PTRACE, offsetof(struct task_struct, ptrace));
        DEFINE(KSP, offsetof(struct thread_struct, ksp));
        DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
-       DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall));
        DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
        DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
        DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));

diff --git a/arch/ppc/kernel/entry.S b/arch/ppc/kernel/entry.S
index a9d4553..ab64256 100644 (file)
--- a/arch/ppc/kernel/entry.S
+++ b/arch/ppc/kernel/entry.S
@@ -191,7 +191,6 @@ stack_ovf:
 0:
 
 _GLOBAL(DoSyscall)
-       stw     r0,THREAD+LAST_SYSCALL(r2)
        stw     r3,ORIG_GPR3(r1)
        li      r12,0
        stw     r12,RESULT(r1)

diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index a26c32e..d947b16 100644 (file)
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -133,7 +133,6 @@ struct thread_struct {
        mm_segment_t    fs;             /* for get_fs() validation */
 #ifdef CONFIG_PPC32
        void            *pgdir;         /* root of page-table tree */
-       signed long     last_syscall;
 #endif
 #if defined(CONFIG_4xx) || defined (CONFIG_BOOKE)
        unsigned long   dbcr0;          /* debug control register values */