Date: Thu, 24 May 2018 10:22:57 +0000 (UTC) From: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= <royger@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r334147 - head/sys/x86/xen Message-ID: <201805241022.w4OAMv5r081958@repo.freebsd.org>
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Author: royger Date: Thu May 24 10:22:57 2018 New Revision: 334147 URL: https://svnweb.freebsd.org/changeset/base/334147 Log: xen/pvh: allocate dbg_stack Or else init_secondary will hit a page fault (or write garbage somewhere). Sponsored by: Citrix Systems R&D Modified: head/sys/x86/xen/pv.c Modified: head/sys/x86/xen/pv.c ============================================================================== --- head/sys/x86/xen/pv.c Thu May 24 10:20:42 2018 (r334146) +++ head/sys/x86/xen/pv.c Thu May 24 10:22:57 2018 (r334147) @@ -101,6 +101,7 @@ static int xen_pv_start_all_aps(void); extern char *doublefault_stack; extern char *mce_stack; extern char *nmi_stack; +extern char *dbg_stack; #endif /* @@ -224,6 +225,8 @@ start_xen_ap(int cpu) (char *)kmem_malloc(kernel_arena, PAGE_SIZE, M_WAITOK | M_ZERO); nmi_stack = (char *)kmem_malloc(kernel_arena, PAGE_SIZE, M_WAITOK | M_ZERO); + dbg_stack = + (void *)kmem_malloc(kernel_arena, PAGE_SIZE, M_WAITOK | M_ZERO); dpcpu = (void *)kmem_malloc(kernel_arena, DPCPU_SIZE, M_WAITOK | M_ZERO);
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