From: Pete Popov Date: Mon, 28 Feb 2005 05:15:40 +0000 (+0000) Subject: No barrier needed on au1x. X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=d437441ef5336874e934bd53a03159a584efe95a;p=deliverable%2Flinux.git No barrier needed on au1x. Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c index 74d91054db09..be1420126c42 100644 --- a/arch/mips/pci/ops-au1000.c +++ b/arch/mips/pci/ops-au1000.c @@ -50,11 +50,6 @@ int (*board_pci_idsel)(unsigned int devsel, int assert); -/* CP0 hazard avoidance. */ -#define BARRIER __asm__ __volatile__(".set noreorder\n\t" \ - "nop; nop; nop; nop;\t" \ - ".set reorder\n\t") - void mod_wired_entry(int entry, unsigned long entrylo0, unsigned long entrylo1, unsigned long entryhi, unsigned long pagemask) @@ -66,16 +61,12 @@ void mod_wired_entry(int entry, unsigned long entrylo0, old_ctx = read_c0_entryhi() & 0xff; old_pagemask = read_c0_pagemask(); write_c0_index(entry); - BARRIER; write_c0_pagemask(pagemask); write_c0_entryhi(entryhi); write_c0_entrylo0(entrylo0); write_c0_entrylo1(entrylo1); - BARRIER; tlb_write_indexed(); - BARRIER; write_c0_entryhi(old_ctx); - BARRIER; write_c0_pagemask(old_pagemask); }