[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>

6 files changed, 0 insertions, 6 deletions

diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 030d300cd71c..9735e828b52d 100644
--- 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 c03e829fee3c..c29d1652a421 100644
--- 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 972b2acbe713..0df049215503 100644
--- 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 1f91eca2f3d7..c5850a272650 100644
--- 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 a9d455369dc6..ab64256110bd 100644
--- 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 a26c32ee5527..d947b1609491 100644
--- 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 */