Date: Wed, 11 Aug 2010 13:57:39 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Attilio Rao <attilio@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r211176 - in head/sys: amd64/amd64 i386/i386 Message-ID: <20100811105739.GJ2396@deviant.kiev.zoral.com.ua> In-Reply-To: <201008111051.o7BApRp4028538@svn.freebsd.org> References: <201008111051.o7BApRp4028538@svn.freebsd.org>
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--IbVRjBtIbJdbeK1C Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Aug 11, 2010 at 10:51:27AM +0000, Attilio Rao wrote: > Author: attilio > Date: Wed Aug 11 10:51:27 2010 > New Revision: 211176 > URL: http://svn.freebsd.org/changeset/base/211176 >=20 > Log: > IPI handlers may run generally with interrupts disabled because they > are served via an interrupt gate. > =20 > However, that doesn't explicitly prevent preemption and thread > migration thus scheduler pinning may be necessary in some handlers. > Fix that. How the preemption is supposed to happen ? Aside from the explicit calls to mi_switch() from e.g. critical_exit(). --IbVRjBtIbJdbeK1C Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (FreeBSD) iEYEARECAAYFAkxigiMACgkQC3+MBN1Mb4g8/wCgmcxZXo3fGial3FygYR56cp06 QyoAoI2CrhJs1dV8aZPIM0TK76RbCqcc =KrJU -----END PGP SIGNATURE----- --IbVRjBtIbJdbeK1C--
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