From 96c6e0d8e2a0eb1338751598be47fa1ffed91704 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Tue, 31 Jan 2006 18:32:29 -0800 Subject: [PATCH] [SPARC64]: Kill {save,restore}_alternate_globals() No longer needed now that we no longer have hard-coded alternate global register usage. Signed-off-by: David S. Miller --- arch/sparc64/kernel/entry.S | 70 --------------------------------------------- arch/sparc64/kernel/smp.c | 7 +---- 2 files changed, 1 insertion(+), 76 deletions(-) diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index 906b64f..ad919f4 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S @@ -401,76 +401,6 @@ do_ivec_xcall: 1: jmpl %g3, %g0 nop - .globl save_alternate_globals -save_alternate_globals: /* %o0 = save_area */ - rdpr %pstate, %o5 - andn %o5, PSTATE_IE, %o1 - wrpr %o1, PSTATE_AG, %pstate - stx %g0, [%o0 + 0x00] - stx %g1, [%o0 + 0x08] - stx %g2, [%o0 + 0x10] - stx %g3, [%o0 + 0x18] - stx %g4, [%o0 + 0x20] - stx %g5, [%o0 + 0x28] - stx %g6, [%o0 + 0x30] - stx %g7, [%o0 + 0x38] - wrpr %o1, PSTATE_IG, %pstate - stx %g0, [%o0 + 0x40] - stx %g1, [%o0 + 0x48] - stx %g2, [%o0 + 0x50] - stx %g3, [%o0 + 0x58] - stx %g4, [%o0 + 0x60] - stx %g5, [%o0 + 0x68] - stx %g6, [%o0 + 0x70] - stx %g7, [%o0 + 0x78] - wrpr %o1, PSTATE_MG, %pstate - stx %g0, [%o0 + 0x80] - stx %g1, [%o0 + 0x88] - stx %g2, [%o0 + 0x90] - stx %g3, [%o0 + 0x98] - stx %g4, [%o0 + 0xa0] - stx %g5, [%o0 + 0xa8] - stx %g6, [%o0 + 0xb0] - stx %g7, [%o0 + 0xb8] - wrpr %o5, 0x0, %pstate - retl - nop - - .globl restore_alternate_globals -restore_alternate_globals: /* %o0 = save_area */ - rdpr %pstate, %o5 - andn %o5, PSTATE_IE, %o1 - wrpr %o1, PSTATE_AG, %pstate - ldx [%o0 + 0x00], %g0 - ldx [%o0 + 0x08], %g1 - ldx [%o0 + 0x10], %g2 - ldx [%o0 + 0x18], %g3 - ldx [%o0 + 0x20], %g4 - ldx [%o0 + 0x28], %g5 - ldx [%o0 + 0x30], %g6 - ldx [%o0 + 0x38], %g7 - wrpr %o1, PSTATE_IG, %pstate - ldx [%o0 + 0x40], %g0 - ldx [%o0 + 0x48], %g1 - ldx [%o0 + 0x50], %g2 - ldx [%o0 + 0x58], %g3 - ldx [%o0 + 0x60], %g4 - ldx [%o0 + 0x68], %g5 - ldx [%o0 + 0x70], %g6 - ldx [%o0 + 0x78], %g7 - wrpr %o1, PSTATE_MG, %pstate - ldx [%o0 + 0x80], %g0 - ldx [%o0 + 0x88], %g1 - ldx [%o0 + 0x90], %g2 - ldx [%o0 + 0x98], %g3 - ldx [%o0 + 0xa0], %g4 - ldx [%o0 + 0xa8], %g5 - ldx [%o0 + 0xb0], %g6 - ldx [%o0 + 0xb8], %g7 - wrpr %o5, 0x0, %pstate - retl - nop - .globl getcc, setcc getcc: ldx [%o0 + PT_V9_TSTATE], %o1 diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 3c14b54..d030c31 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -940,24 +940,19 @@ void smp_release(void) * can service tlb flush xcalls... */ extern void prom_world(int); -extern void save_alternate_globals(unsigned long *); -extern void restore_alternate_globals(unsigned long *); + void smp_penguin_jailcell(int irq, struct pt_regs *regs) { - unsigned long global_save[24]; - clear_softint(1 << irq); preempt_disable(); __asm__ __volatile__("flushw"); - save_alternate_globals(global_save); prom_world(1); atomic_inc(&smp_capture_registry); membar_storeload_storestore(); while (penguins_are_doing_time) rmb(); - restore_alternate_globals(global_save); atomic_dec(&smp_capture_registry); prom_world(0); -- 2.7.4