Date: Fri, 18 Jul 2014 16:10:06 GMT From: op@FreeBSD.org To: svn-soc-all@FreeBSD.org Subject: socsvn commit: r271088 - soc2014/op/freebsd-base/sys/kern Message-ID: <201407181610.s6IGA6Nm055010@socsvn.freebsd.org>
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Author: op Date: Fri Jul 18 16:10:06 2014 New Revision: 271088 URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=271088 Log: KSP: malloc does not exists in early stage of initialization, not use them Signed-off-by: Oliver Pinter <oliver.pntr@gmail.com> git: https://github.com/opntr/opBSD/tree/op/gsoc2014/kpatch Modified: soc2014/op/freebsd-base/sys/kern/kern_selfpatch.c Modified: soc2014/op/freebsd-base/sys/kern/kern_selfpatch.c ============================================================================== --- soc2014/op/freebsd-base/sys/kern/kern_selfpatch.c Fri Jul 18 16:09:57 2014 (r271087) +++ soc2014/op/freebsd-base/sys/kern/kern_selfpatch.c Fri Jul 18 16:10:06 2014 (r271088) @@ -149,7 +149,11 @@ void lf_selfpatch_apply(linker_file_t lf, struct lf_selfpatch *p) { +#if 0 vm_paddr_t *pages; +#else + vm_paddr_t pages[4]; +#endif vm_offset_t page_offset; int i, page_number; @@ -171,7 +175,12 @@ page_number = (p->patchable_size >> PAGE_SHIFT) + ((page_offset + p->patchable_size) > PAGE_SIZE ? 2 : 1); +#if 0 pages = malloc(page_number, M_TEMP, M_WAITOK | M_ZERO); +#else + KASSERT(page_number < 4, + ("patch size longer than 3 page does not supported yet\n")); +#endif DBG("change mapping attribute from RX to RWX\n"); for (i=0; i<page_number; i++) { @@ -200,7 +209,9 @@ } DBG("done.\n"); +#if 0 free(pages, M_TEMP); +#endif }
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