Date: Sun, 15 Jan 2012 16:58:44 +0000 (UTC) From: Nathan Whitehorn <nwhitehorn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r230140 - head/sys/boot/powerpc/ps3 Message-ID: <201201151658.q0FGwirM091734@svn.freebsd.org>
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Author: nwhitehorn Date: Sun Jan 15 16:58:44 2012 New Revision: 230140 URL: http://svn.freebsd.org/changeset/base/230140 Log: Fix some unreliability problems related to MSR bits inherited from kboot by setting an absolute MSR when during on the MMU. This prevents delay(), in particular, from intermittently malfunctioning. Modified: head/sys/boot/powerpc/ps3/ps3mmu.c Modified: head/sys/boot/powerpc/ps3/ps3mmu.c ============================================================================== --- head/sys/boot/powerpc/ps3/ps3mmu.c Sun Jan 15 16:57:18 2012 (r230139) +++ head/sys/boot/powerpc/ps3/ps3mmu.c Sun Jan 15 16:58:44 2012 (r230140) @@ -113,7 +113,7 @@ ps3mmu_init(int maxmem) "r"(1 << SLBV_VSID_SHIFT), "r"((1 << SLBE_ESID_SHIFT) | SLBE_VALID | 1)); - mtmsr(mfmsr() | PSL_IR | PSL_DR | PSL_RI | PSL_ME); + mtmsr(PSL_IR | PSL_DR | PSL_RI | PSL_ME); return (0); }
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