Module Name: src Committed By: snj Date: Sat Feb 27 20:10:26 UTC 2010
Modified Files: src/sys/arch/mips/mips [matt-nb5-mips64]: pmap_tlb.c Log Message: Fix some gimplish in comments. To generate a diff of this commit: cvs rdiff -u -r1.1.2.5 -r1.1.2.6 src/sys/arch/mips/mips/pmap_tlb.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/mips/mips/pmap_tlb.c diff -u src/sys/arch/mips/mips/pmap_tlb.c:1.1.2.5 src/sys/arch/mips/mips/pmap_tlb.c:1.1.2.6 --- src/sys/arch/mips/mips/pmap_tlb.c:1.1.2.5 Sat Feb 27 07:58:52 2010 +++ src/sys/arch/mips/mips/pmap_tlb.c Sat Feb 27 20:10:26 2010 @@ -1,4 +1,4 @@ -/* $NetBSD: pmap_tlb.c,v 1.1.2.5 2010/02/27 07:58:52 matt Exp $ */ +/* $NetBSD: pmap_tlb.c,v 1.1.2.6 2010/02/27 20:10:26 snj Exp $ */ /*- * Copyright (c) 2010 The NetBSD Foundation, Inc. @@ -31,7 +31,7 @@ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: pmap_tlb.c,v 1.1.2.5 2010/02/27 07:58:52 matt Exp $"); +__KERNEL_RCSID(0, "$NetBSD: pmap_tlb.c,v 1.1.2.6 2010/02/27 20:10:26 snj Exp $"); /* * Manages address spaces in a TLB. @@ -79,16 +79,16 @@ * * When a change to the local TLB may require a change in the TLB's of other * CPUs, we try to avoid sending an IPI if at all possible. For instance, if - * are updating a PTE and that PTE previously was invalid and therefore - * couldn't support an active mapping, there's no need for an IPI since can be - * no TLB entry to invalidate. The other case is when we change a PTE to be - * modified we just update the local TLB. If another TLB has a stale entry, - * a TLB MOD exception will be raised and that will cause the local TLB to be - * updated. + * we are updating a PTE and that PTE previously was invalid and therefore + * couldn't support an active mapping, there's no need for an IPI since there + * can be no TLB entry to invalidate. The other case is when we change a PTE + * to be modified we just update the local TLB. If another TLB has a stale + * entry, a TLB MOD exception will be raised and that will cause the local TLB + * to be updated. * * We never need to update a non-local TLB if the pmap doesn't have a valid * ASID for that TLB. If it does have a valid ASID but isn't current "onproc" - * we simply reset its ASID for that TLB and then time it goes "onproc" it + * we simply reset its ASID for that TLB and then when it goes "onproc" it * will allocate a new ASID and any existing TLB entries will be orphaned. * Only in the case that pmap has an "onproc" ASID do we actually have to send * an IPI. @@ -110,12 +110,12 @@ * 0) nothing, * 1) if that ASID is still "onproc", we invalidate the TLB entries for * that single ASID. If not, just reset the pmap's ASID to invalidate - * and let it allocated the next time it goes "onproc", + * and let it be allocated the next time it goes "onproc", * 2) we reinitialize the ASID space (preserving any "onproc" ASIDs) and * invalidate all non-wired non-global TLB entries, * 3) we invalidate all of the non-wired global TLB entries, * 4) we reinitialize the ASID space (again preserving any "onproc" ASIDs) - * invalidate all non-wried TLB entries. + * invalidate all non-wired TLB entries. * * As you can see, shootdowns are not concerned with addresses, just address * spaces. Since the number of TLB entries is usually quite small, this avoids @@ -654,7 +654,7 @@ #ifdef MULTIPROCESSOR /* - * Mark that we now an active ASID for all CPUs sharing this TLB. + * Mark that we now have an active ASID for all CPUs sharing this TLB. * The bits in pm_active belonging to this TLB can only be changed * while this TLBs lock is held. */