Date: Tue, 26 Apr 2005 14:07:33 GMT From: David Xu <davidxu@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 76006 for review Message-ID: <200504261407.j3QE7XdW009555@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=76006 Change 76006 by davidxu@davidxu_tiger on 2005/04/26 14:07:21 Add a temp stack for sysenter syscall since debug trap and nmi can occur before sysenter entry setup its stack. Affected files ... .. //depot/projects/davidxu_thread/src/sys/i386/include/pcpu.h#6 edit Differences ... ==== //depot/projects/davidxu_thread/src/sys/i386/include/pcpu.h#6 (text+ko) ==== @@ -38,6 +38,8 @@ #include <machine/segments.h> #include <machine/tss.h> +#define SYSENTER_STACK_SIZE 63 + /* * The SMP parts are setup in pmap.c and locore.s for the BSP, and * mp_machdep.c sets up the data for the AP's to "see" when they awake. @@ -55,7 +57,9 @@ int pc_currentldt; \ u_int pc_acpi_id; \ u_int pc_apic_id; \ - u_int pc_sysenter_tss_esp0 + int pc_sysenter_stack[SYSENTER_STACK_SIZE + 1]; + +#define pc_sysenter_tss_esp0 pc_sysenter_stack[SYSENTER_STACK_SIZE] #if defined(lint)
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