src-test2/sys/compat/linux/linux_misc.c, branch release/7.2.0_cvs

Copy releng/7.2 to release/7.2.0 for FreeBSD 7.2-RELEASE.

2009-05-01T02:51:58Z

Approved by: re (implicit) This commit was manufactured to restore the state of the 7.2-RELEASE image.

Merge from HEAD to stable/7:

2009-04-10T13:45:56Z

r186211: Remove obsolete AT_DEBUG stuff. It never should have been committed in the first place, let alone migrated to linux emulation. r189362: Add AT_PLATFORM, AT_HWCAP and AT_CLKTCK auxiliary vector entries which are used by glibc. This silents the message "2.4+ kernel w/o ELF notes?" from some programs at start, among them are top and pkill. Do the assignment of the vector entries in elf_linux_fixup() as it is done in glibc. Fix some minor style issues. Approved by: re (Ken Smith), kib(mentor)

MFC r177257 (by rdivacky):

2008-10-20T11:15:57Z

Implement sched_setaffinity and get_setaffinity using real cpu affinity setting primitives. MFC r177604 (by ru): Fix build. MFC r183612: Use FreeBSD size of cpuset_t for bitmap size parameter and return EINVAL if length of user space bitmap less than our size of cpuset_t. Approved by: re (kensmith)

MFC

2008-02-29T14:58:08Z

rev. 1.3 of linux_misc.h, rev. 1.217 of linux_misc.c: Sanitize arguments to linux_mremap(). Check that only MREMAP_FIXED and MREMAP_MAYMOVE flags are specified. Check for the page alignment of the addr argument.

Implement fake linux sched_getaffinity() syscall to enable java to work

2007-08-28T12:26:35Z

with Linux 2.6 emulation. This shall be reimplemented once FreeBSD gets native scheduler affinity syscalls. Submitted by: rdivacky Reviewed by: jkim Sponsored by: Google Summer of Code 2007 Approved by: re (kensmith)

Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in

2007-06-12T00:12:01Z

some cases, move to priv_check() if it was an operation on a thread and no other flags were present. Eliminate caller-side jail exception checking (also now-unused); jail privilege exception code now goes solely in kern_jail.c. We can't yet eliminate suser() due to some cases in the KAME code where a privilege check is performed and then used in many different deferred paths. Do, however, move those prototypes to priv.h. Reviewed by: csjp Obtained from: TrustedBSD Project

rufetch and calcru sometimes should be called atomically together.

2007-06-09T21:48:44Z

This patch fixes places where they should be called atomically changing their locking requirements (both assume per-proc spinlock held) and introducing rufetchcalc which wrappers both calls to be performed in atomic way. Reviewed by: jeff Approved by: jeff (mentor)

Revert VMCNT_* operations introduction.

2007-05-31T22:52:15Z

Probabilly, a general approach is not the better solution here, so we should solve the sched_lock protection problems separately. Requested by: alc Approved by: jeff (mentor)

Revert UF_OPENING workaround for CURRENT.

2007-05-31T11:51:53Z

Change the VOP_OPEN(), vn_open() vnode operation and d_fdopen() cdev operation argument from being file descriptor index into the pointer to struct file. Proposed and reviewed by: jhb Reviewed by: daichi (unionfs) Approved by: re (kensmith)

- define and use VMCNT_{GET,SET,ADD,SUB,PTR} macros for manipulating

2007-05-18T07:10:50Z

vmcnts. This can be used to abstract away pcpu details but also changes to use atomics for all counters now. This means sched lock is no longer responsible for protecting counts in the switch routines. Contributed by: Attilio Rao