Date: Sun, 2 Mar 2014 15:53:39 +0000 (UTC) From: Justin Hibbits <jhibbits@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r262691 - stable/10/sys/powerpc/aim Message-ID: <201403021553.s22FrdNA042456@svn.freebsd.org>
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Author: jhibbits Date: Sun Mar 2 15:53:39 2014 New Revision: 262691 URL: http://svnweb.freebsd.org/changeset/base/262691 Log: MFC r261258 Use a loop of dcbz, instead of calling bzero() to zero a page. This matches what is done in mmu_oea64.c. Modified: stable/10/sys/powerpc/aim/mmu_oea.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/powerpc/aim/mmu_oea.c ============================================================================== --- stable/10/sys/powerpc/aim/mmu_oea.c Sun Mar 2 13:26:08 2014 (r262690) +++ stable/10/sys/powerpc/aim/mmu_oea.c Sun Mar 2 15:53:39 2014 (r262691) @@ -1084,10 +1084,10 @@ moea_copy_pages(mmu_t mmu, vm_page_t *ma void moea_zero_page(mmu_t mmu, vm_page_t m) { - vm_offset_t pa = VM_PAGE_TO_PHYS(m); - void *va = (void *)pa; + vm_offset_t off, pa = VM_PAGE_TO_PHYS(m); - bzero(va, PAGE_SIZE); + for (off = 0; off < PAGE_SIZE; off += cacheline_size) + __asm __volatile("dcbz 0,%0" :: "r"(pa + off)); } void @@ -1102,10 +1102,8 @@ moea_zero_page_area(mmu_t mmu, vm_page_t void moea_zero_page_idle(mmu_t mmu, vm_page_t m) { - vm_offset_t pa = VM_PAGE_TO_PHYS(m); - void *va = (void *)pa; - bzero(va, PAGE_SIZE); + moea_zero_page(mmu, m); } /*
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