Date: Wed, 11 Jun 2003 17:15:19 -0700 (PDT) From: Marcel Moolenaar <marcel@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/ia64/ia64 machdep.c Message-ID: <200306120015.h5C0FJ2l064312@repoman.freebsd.org>
next in thread | raw e-mail | index | archive | help
marcel 2003/06/11 17:15:19 PDT
FreeBSD src repository
Modified files:
sys/ia64/ia64 machdep.c
Log:
Make sure pcpu->pc_pcb is pointing to a 16-byte aligned address. The
PCB contains FP registers, whose alignment must be 16 bytes at least.
Since the PCB pointed to by pc_pcb is immediately after the PCPU
itself, round-up the size of thge PCPU to a multiple of 16 bytes. The
PCPU is page aligned.
This fixes a misalignment trap caused by stopping a CPU in a SMP
kernel, such as been done when entering the debugger.
Reported by: Alan Robinson <alan.robinson@fujitsu-siemens.com>
Revision Changes Path
1.140 +10 -2 src/sys/ia64/ia64/machdep.c
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200306120015.h5C0FJ2l064312>