diff options
author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2016-08-26 16:02:34 +0000 |
---|---|---|
committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2016-08-26 16:02:34 +0000 |
commit | 75a3b6f3f3b1087806e798f5ce6301e969c9687b (patch) | |
tree | f86e8261ce8dcf85513ef9218e52e5d71c83a076 /sys/arch | |
parent | 295811e014df1e86c36b5214bcf808232c90ec4d (diff) |
Remove cpu_cpwait() calls; they are no-ops on armv7.
ok tom@
Diffstat (limited to 'sys/arch')
-rw-r--r-- | sys/arch/arm/arm/pmap7.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/sys/arch/arm/arm/pmap7.c b/sys/arch/arm/arm/pmap7.c index 98cf28b85f5..0889e549205 100644 --- a/sys/arch/arm/arm/pmap7.c +++ b/sys/arch/arm/arm/pmap7.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap7.c,v 1.48 2016/08/26 11:59:04 kettenis Exp $ */ +/* $OpenBSD: pmap7.c,v 1.49 2016/08/26 16:02:33 kettenis Exp $ */ /* $NetBSD: pmap.c,v 1.147 2004/01/18 13:03:50 scw Exp $ */ /* @@ -1047,9 +1047,6 @@ pmap_page_remove(struct vm_page *pg) pv = npv; } pg->mdpage.pvh_list = NULL; - - if (flush) - cpu_cpwait(); } /* @@ -1422,10 +1419,8 @@ pmap_kenter_pa(vaddr_t va, paddr_t pa, vm_prot_t prot) L2_S_PROT(PTE_KERNEL, prot) | cache_mode; *ptep = npte; PTE_SYNC(ptep); - if (opte & L2_V7_AF) { + if (opte & L2_V7_AF) cpu_tlb_flushD_SE(va); - cpu_cpwait(); - } if (pa & PMAP_NOCACHE) { cpu_dcache_wbinv_range(va, PAGE_SIZE); @@ -1480,7 +1475,6 @@ pmap_kremove(vaddr_t va, vsize_t len) KDASSERT(mappings <= l2b->l2b_occupancy); l2b->l2b_occupancy -= mappings; } - cpu_cpwait(); } boolean_t @@ -1878,7 +1872,6 @@ pmap_update(pmap_t pm) /* * make sure TLB/cache operations have completed. */ - cpu_cpwait(); } /* @@ -1947,7 +1940,6 @@ pmap_zero_page_generic(struct vm_page *pg) L2_S_PROT(PTE_KERNEL, PROT_WRITE) | pte_l2_s_cache_mode; PTE_SYNC(cdst_pte); cpu_tlb_flushD_SE(cdstp); - cpu_cpwait(); bzero_page(cdstp); } @@ -1981,7 +1973,6 @@ pmap_copy_page_generic(struct vm_page *src_pg, struct vm_page *dst_pg) PTE_SYNC(cdst_pte); cpu_tlb_flushD_SE(csrcp); cpu_tlb_flushD_SE(cdstp); - cpu_cpwait(); bcopy_page(csrcp, cdstp); } @@ -2166,7 +2157,6 @@ pmap_growkernel(vaddr_t maxkvaddr) cpu_dcache_wbinv_all(); cpu_sdcache_wbinv_all(); cpu_tlb_flushD(); - cpu_cpwait(); splx(s); @@ -2195,7 +2185,6 @@ vector_page_setprot(int prot) *ptep = (*ptep & ~L2_S_PROT_MASK) | L2_S_PROT(PTE_KERNEL, prot); PTE_SYNC(ptep); cpu_tlb_flushD_SE(vector_page); - cpu_cpwait(); } /* @@ -2382,7 +2371,6 @@ pmap_bootstrap(pd_entry_t *kernel_l1pt, vaddr_t vstart, vaddr_t vend) cpu_idcache_wbinv_all(); cpu_sdcache_wbinv_all(); cpu_tlb_flushID(); - cpu_cpwait(); /* * now we allocate the "special" VAs which are used for tmp mappings |