Date: Wed, 29 May 2002 11:52:27 -0700 (PDT) From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 12085 for review Message-ID: <200205291852.g4TIqRW69276@freefall.freebsd.org>
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http://people.freebsd.org/~peter/p4db/chv.cgi?CH=12085 Change 12085 by peter@peter_daintree on 2002/05/29 11:52:10 Revert changes here. It was wishful thinking as the nested data tlb faults tell me. Affected files ... ... //depot/projects/ia64/sys/ia64/ia64/mp_machdep.c#18 edit ... //depot/projects/ia64/sys/ia64/ia64/pmap.c#21 edit Differences ... ==== //depot/projects/ia64/sys/ia64/ia64/mp_machdep.c#18 (text+ko) ==== @@ -216,7 +216,11 @@ * recording a trapframe. */ ks = contigmalloc(KSTACK_PAGES * PAGE_SIZE, M_TEMP, - M_WAITOK, 0ul, ~0ul, PAGE_SIZE, 0ul); + M_WAITOK, + 0ul, + 256*1024*1024 - 1, + PAGE_SIZE, + 256*1024*1024); ap_stack = IA64_PHYS_TO_RR7(ia64_tpa((u_int64_t)ks)); ap_pcpu = pc; ==== //depot/projects/ia64/sys/ia64/ia64/pmap.c#21 (text+ko) ==== @@ -716,10 +716,16 @@ struct user *up; /* - * contigmalloc is no longer needed here. + * Use contigmalloc for user area so that we can use a region + * 7 address for it which makes it impossible to accidentally + * lose when recording a trapframe. */ - up = contigmalloc(UAREA_PAGES * PAGE_SIZE, M_PMAP, M_WAITOK, - 0ul, ~0ul, PAGE_SIZE, 0ul); + up = contigmalloc(UAREA_PAGES * PAGE_SIZE, M_PMAP, + M_WAITOK, + 0ul, + 256*1024*1024 - 1, + PAGE_SIZE, + 256*1024*1024); if (up == NULL) panic("pmap_new_proc: could not contigmalloc %d pages\n", @@ -767,11 +773,16 @@ vm_offset_t *ks; /* - * Use contigmalloc for the kernel stack so that the pages - * can be used via physical addressing in the exception code. + * Use contigmalloc for user area so that we can use a region + * 7 address for it which makes it impossible to accidentally + * lose when recording a trapframe. */ - ks = contigmalloc(KSTACK_PAGES * PAGE_SIZE, M_PMAP, M_WAITOK, - 0ul, ~0ul, PAGE_SIZE, 0ul); + ks = contigmalloc(KSTACK_PAGES * PAGE_SIZE, M_PMAP, + M_WAITOK, + 0ul, + 256*1024*1024 - 1, + PAGE_SIZE, + 256*1024*1024); if (ks == NULL) panic("pmap_new_thread: could not contigmalloc %d pages\n", To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe p4-projects" in the body of the message
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