From e1c222b0bba488fce05987237cdef5b0d2c9d833 Mon Sep 17 00:00:00 2001 From: hrs Date: Wed, 29 Apr 2009 15:22:58 +0000 Subject: [PATCH] - Update entries for increased KVA on amd64 and superpages on amd64/i386[1] - BTX loader improved[2] - Move sysctl node MPSAFE flag to the kernel section[3] - u3g(4) added[4] - Various grammer fixes[5] - MAKE_JOBS_SAFE added in bsd.port.mk. Suggested by: ivoras[1], gavin[2], kib[3], edwin[4], and schweikh[5]. Approved by: re (implicit) git-svn-id: svn://svn.freebsd.org/base/releng/7.2@191667 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f --- .../doc/en_US.ISO8859-1/relnotes/article.sgml | 72 +++++++++++++------ 1 file changed, 52 insertions(+), 20 deletions(-) diff --git a/release/doc/en_US.ISO8859-1/relnotes/article.sgml b/release/doc/en_US.ISO8859-1/relnotes/article.sgml index b7948d39..4d708d6a 100644 --- a/release/doc/en_US.ISO8859-1/relnotes/article.sgml +++ b/release/doc/en_US.ISO8859-1/relnotes/article.sgml @@ -215,9 +215,13 @@ process execution. The &os; kernel virtual address space has - been increased to 6GB and the ceiling on the kmem map size - to 3.6GB. Note that the ceiling as a fraction of the kernel - map size rather than an absolute quantity. + been increased to 6GB. This allows subsystems to use larger + virtual memory space than before. For example, &man.zfs.8; + adaptive replacement cache (ARC) requires large kernel memory + space to cache file system data, so it benefits from the + increased address space. Note that the ceiling on the kernel + map size is now 60% of the size rather than an absolute + quantity. The &man.jail.8; subsystem has been updated. Changes include: @@ -231,12 +235,13 @@ - SCTP (&man.sctp.4;) with IPv6 in jails has been supported. + SCTP (&man.sctp.4;) with IPv6 in jails has been + implemented. Specific CPU binding by using &man.cpuset.1; has been - supported. Note that the current implementation allows + implemented. Note that the current implementation allows the superuser inside of the jail to change the CPU bindings specified. This behavior will be fixed in the next release. @@ -267,7 +272,7 @@ The &man.kld.4; now supports installing 32-bit system - call to the &os; system call translation layer from kernel + calls to the &os; system call translation layer from kernel modules. The &man.ktr.4; now supports a new KTR tracepoint in the @@ -280,7 +285,10 @@ makes it possible to use more than 2 GB shared memory segments on 64-bit architectures. Please note the new BUGS section in &man.shmctl.2; and /usr/src/UPDATING for - limitations of this temporal solution. + limitations of this temporary solution. + + A &man.sysctl.3; leaf node has a flag to tag itself as + MPSAFE now. The &os; 32-bit system call translation layer now supports installing 32-bit system calls for @@ -293,7 +301,10 @@ modern CPUs. This provides possible memory savings for applications that share large amounts of memory between the address spaces and performance improvements due to fewer TLB - misses. + misses. This is disabled by default and can be enabled by + setting a loader tunable + vm.pmap.pg_ps_enabled to + 1. Boot Loader Changes @@ -302,6 +313,10 @@ certain versions of &windows; put into the MBR and invoking PXE by pressing F6 key on some supported BIOSes. + The &man.boot.8; BTX loader has been + improved. This fixes several boot issues on recent machines + reported for 7.1-RELEASE and before. + The &man.loader.8; is now able to obtain DHCP options from network boot via &man.kenv.2; variables. @@ -364,14 +379,19 @@ Fireplane/Safari to PCI 2.1 and Tomatillo JBus to PCI 2.2 bridges has been added. + The &man.u3g.4; driver for USB based 3G cards and + dongles including Vodafone Mobile Connect Card 3G, Qualcomm + CDMA MSM, Huawei E220, Novatel U740, Sierra MC875U, and so + on has been added. This provides support for the multiple + USB-to-serial interfaces exposed by many 3G USB/PC Card + modems, and the device is accessed through the &man.ucom.4; + driver which makes it behave like a &man.tty.4;. + The &man.sched.ule.4; scheduler now supports a loader tunable machdep.hyperthreading_enabled as the &man.sched.4bsd.4; does. Note that it cannot be modified at run-time. - A &man.sysctl.3; leaf node has a flag to tag itself as - MPSAFE now. - Multimedia Support @@ -771,20 +791,20 @@ flag for damaged recovery mode, which will enable certain aggressive operations that can make &man.fsck.8; to survive with file systems that has very - serious data damage. This is an useful last resort when on + serious data damage. This is a useful last resort when on disk data damage is very serious and causes &man.fsck.8; to crash otherwise. The &man.getaddrinfo.3; function now supports SCTP. - A bug in the &man.ipfw.8; utility which displays extra - messages for a NAT rule even when a flag - is specified. + A bug was fixed in the &man.ipfw.8; utility which displays + extra messages for a NAT rule even when a + flag is specified. The &man.ln.1; utility now supports a flag to check if the source file actually exists. When the - flag is specified and the file does not exist, the &man.ln.1; - will put a warning message. + flag is specified and the file does not exist, &man.ln.1; will + issue a warning message. The &man.make.1; utility now supports a flag to print the input graph only, not @@ -799,7 +819,7 @@ flag when a option is specified. - The &man.make.1; utility now supports + The &man.make.1; utility now supports the .MAKE.JOB.PREFIX variable. If and are specified, it outputs for each target is prefixed with a token --- @@ -836,7 +856,7 @@ &prompt.user; netstat -m -N foo A bug in the &man.netstat.1; utility has been fixed. The - now works in the icmp6 section as + option now works in the icmp6 section as expected. The &man.pciconf.8; utility now supports a @@ -889,8 +909,20 @@ Ports/Packages Collection Infrastructure - A bug in the &man.pkg.create.1; which prevents the + A bug in &man.pkg.create.1; which prevents the flag from working has been fixed. + + The &os; Ports Collection now supports multiple + &man.make.1; jobs in some supported ports. This is + automatically enabled when a port is marked as + MAKE_JOBS_SAFE and improves CPU utilization + at the build stage by passing an option + to the top + level Makefile from the vendor. The + number X is set to the number of + CPUs by default, and can be set by users via a &man.make.1; + variable MAKE_JOBS_NUMBER. For more + details, see ports/Mk/bsd.port.mk. -- 2.42.0