Date: Thu, 16 Mar 2017 06:12:01 +0000 (UTC) From: Mateusz Guzik <mjg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r315374 - stable/11/sys/kern Message-ID: <201703160612.v2G6C1xB071813@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: mjg Date: Thu Mar 16 06:12:00 2017 New Revision: 315374 URL: https://svnweb.freebsd.org/changeset/base/315374 Log: MFC r313391: Bump struct thread alignment to 32. This gives additional bits to use in locking primitives which store the lock thread pointer in the lock value. Modified: stable/11/sys/kern/init_main.c stable/11/sys/kern/kern_thread.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/kern/init_main.c ============================================================================== --- stable/11/sys/kern/init_main.c Thu Mar 16 06:04:26 2017 (r315373) +++ stable/11/sys/kern/init_main.c Thu Mar 16 06:12:00 2017 (r315374) @@ -99,7 +99,7 @@ void mi_startup(void); /* Should be e static struct session session0; static struct pgrp pgrp0; struct proc proc0; -struct thread0_storage thread0_st __aligned(16); +struct thread0_storage thread0_st __aligned(32); struct vmspace vmspace0; struct proc *initproc; Modified: stable/11/sys/kern/kern_thread.c ============================================================================== --- stable/11/sys/kern/kern_thread.c Thu Mar 16 06:04:26 2017 (r315373) +++ stable/11/sys/kern/kern_thread.c Thu Mar 16 06:12:00 2017 (r315374) @@ -283,7 +283,7 @@ threadinit(void) thread_zone = uma_zcreate("THREAD", sched_sizeof_thread(), thread_ctor, thread_dtor, thread_init, thread_fini, - 16 - 1, UMA_ZONE_NOFREE); + 32 - 1, UMA_ZONE_NOFREE); tidhashtbl = hashinit(maxproc / 2, M_TIDHASH, &tidhash); rw_init(&tidhash_lock, "tidhash"); }
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201703160612.v2G6C1xB071813>