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CVS log for src/sys/nfs/nfs_clntsubs.c

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Revision 1.6 / (download) - annotate - [select for diffs], Mon Feb 28 08:45:36 2022 UTC (11 months ago) by hannken
Branch: MAIN
CVS Tags: netbsd-10-base, netbsd-10, bouyer-sunxi-drm-base, bouyer-sunxi-drm, HEAD
Changes since 1.5: +2 -13 lines
Diff to previous 1.5 (colored)

Revert the hack from the last commit now that VOP_UNLOCK()
no longer may hold v_interlock or vmobjlock.

Revision 1.5 / (download) - annotate - [select for diffs], Fri Jan 14 19:19:34 2022 UTC (12 months, 2 weeks ago) by christos
Branch: MAIN
Changes since 1.4: +13 -2 lines
Diff to previous 1.4 (colored)

This is a temporary hack to avoid nfs crashes related to nfs_delaytruncate.

Revision 1.2.54.2 / (download) - annotate - [select for diffs], Wed Apr 8 14:08:59 2020 UTC (2 years, 9 months ago) by martin
Branch: phil-wifi
Changes since 1.2.54.1: +4 -4 lines
Diff to previous 1.2.54.1 (colored) to branchpoint 1.2 (colored) next main 1.3 (colored)

Merge changes from current as of 20200406

Revision 1.3.6.1 / (download) - annotate - [select for diffs], Sat Feb 29 20:21:08 2020 UTC (2 years, 11 months ago) by ad
Branch: ad-namecache
Changes since 1.3: +4 -4 lines
Diff to previous 1.3 (colored) next main 1.4 (colored)

Sync with head.

Revision 1.4 / (download) - annotate - [select for diffs], Sun Feb 23 15:46:41 2020 UTC (2 years, 11 months ago) by ad
Branch: MAIN
CVS Tags: thorpej-i2c-spi-conf2-base, thorpej-i2c-spi-conf2, thorpej-i2c-spi-conf-base, thorpej-i2c-spi-conf, thorpej-futex2-base, thorpej-futex2, thorpej-futex-base, thorpej-futex, thorpej-cfargs2-base, thorpej-cfargs2, thorpej-cfargs-base, thorpej-cfargs, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, is-mlppp-base, is-mlppp, cjep_sun2x-base1, cjep_sun2x-base, cjep_sun2x, cjep_staticlib_x-base1, cjep_staticlib_x-base, cjep_staticlib_x, bouyer-xenpvh-base2, bouyer-xenpvh-base1, bouyer-xenpvh-base, bouyer-xenpvh, ad-namecache-base3
Changes since 1.3: +4 -4 lines
Diff to previous 1.3 (colored)

UVM locking changes, proposed on tech-kern:

- Change the lock on uvm_object, vm_amap and vm_anon to be a RW lock.
- Break v_interlock and vmobjlock apart.  v_interlock remains a mutex.
- Do partial PV list locking in the x86 pmap.  Others to follow later.

Revision 1.2.54.1 / (download) - annotate - [select for diffs], Mon Jun 10 22:09:49 2019 UTC (3 years, 7 months ago) by christos
Branch: phil-wifi
Changes since 1.2: +4 -4 lines
Diff to previous 1.2 (colored)

Sync with HEAD

Revision 1.2.52.1 / (download) - annotate - [select for diffs], Thu Sep 6 06:56:45 2018 UTC (4 years, 4 months ago) by pgoyette
Branch: pgoyette-compat
CVS Tags: pgoyette-compat-merge-20190127
Changes since 1.2: +4 -4 lines
Diff to previous 1.2 (colored) next main 1.3 (colored)

Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)

Revision 1.3 / (download) - annotate - [select for diffs], Mon Sep 3 16:29:36 2018 UTC (4 years, 5 months ago) by riastradh
Branch: MAIN
CVS Tags: phil-wifi-20191119, phil-wifi-20190609, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, netbsd-9-base, netbsd-9-3-RELEASE, netbsd-9-2-RELEASE, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, isaki-audio2-base, isaki-audio2, ad-namecache-base2, ad-namecache-base1, ad-namecache-base
Branch point for: ad-namecache
Changes since 1.2: +2 -2 lines
Diff to previous 1.2 (colored)

Rename min/max -> uimin/uimax for better honesty.

These functions are defined on unsigned int.  The generic name
min/max should not silently truncate to 32 bits on 64-bit systems.
This is purely a name change -- no functional change intended.

HOWEVER!  Some subsystems have

	#define min(a, b)	((a) < (b) ? (a) : (b))
	#define max(a, b)	((a) > (b) ? (a) : (b))

even though our standard name for that is MIN/MAX.  Although these
may invite multiple evaluation bugs, these do _not_ cause integer
truncation.

To avoid `fixing' these cases, I first changed the name in libkern,
and then compile-tested every file where min/max occurred in order to
confirm that it failed -- and thus confirm that nothing shadowed
min/max -- before changing it.

I have left a handful of bootloaders that are too annoying to
compile-test, and some dead code:

cobalt ews4800mips hp300 hppa ia64 luna68k vax
acorn32/if_ie.c (not included in any kernels)
macppc/if_gm.c (superseded by gem(4))

It should be easy to fix the fallout once identified -- this way of
doing things fails safe, and the goal here, after all, is to _avoid_
silent integer truncations, not introduce them.

Maybe one day we can reintroduce min/max as type-generic things that
never silently truncate.  But we should avoid doing that for a while,
so that existing code has a chance to be detected by the compiler for
conversion to uimin/uimax without changing the semantics until we can
properly audit it all.  (Who knows, maybe in some cases integer
truncation is actually intended!)

Revision 1.1.12.1 / (download) - annotate - [select for diffs], Thu Jun 23 14:20:27 2011 UTC (11 years, 7 months ago) by cherry
Branch: cherry-xenmp
Changes since 1.1: +4 -4 lines
Diff to previous 1.1 (colored) next main 1.2 (colored)

Catchup with rmind-uvmplock merge.

Revision 1.2 / (download) - annotate - [select for diffs], Sun Jun 12 03:35:59 2011 UTC (11 years, 7 months ago) by rmind
Branch: MAIN
CVS Tags: yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, tls-maxphys-base-20171202, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, rmind-smpnet-nbase, rmind-smpnet-base, rmind-smpnet, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-base, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, perseant-stdc-iso10646-base, perseant-stdc-iso10646, nick-nhusb-base-20170825, nick-nhusb-base-20170204, nick-nhusb-base-20161204, nick-nhusb-base-20161004, nick-nhusb-base-20160907, nick-nhusb-base-20160529, nick-nhusb-base-20160422, nick-nhusb-base-20160319, nick-nhusb-base-20151226, nick-nhusb-base-20150921, nick-nhusb-base-20150606, nick-nhusb-base-20150406, nick-nhusb-base, nick-nhusb, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, matt-nb8-mediatek-base, matt-nb8-mediatek, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, localcount-20160914, khorben-n900, jmcneill-usbmp-pre-base2, jmcneill-usbmp-base9, jmcneill-usbmp-base8, jmcneill-usbmp-base7, jmcneill-usbmp-base6, jmcneill-usbmp-base5, jmcneill-usbmp-base4, jmcneill-usbmp-base3, jmcneill-usbmp-base2, jmcneill-usbmp-base10, jmcneill-usbmp-base, jmcneill-usbmp, jmcneill-audiomp3-base, jmcneill-audiomp3, jdolecek-ncq-base, jdolecek-ncq, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, agc-symver-base, agc-symver
Branch point for: phil-wifi, pgoyette-compat
Changes since 1.1: +4 -4 lines
Diff to previous 1.1 (colored)

Welcome to 5.99.53!  Merge rmind-uvmplock branch:

- Reorganize locking in UVM and provide extra serialisation for pmap(9).
  New lock order: [vmpage-owner-lock] -> pmap-lock.

- Simplify locking in some pmap(9) modules by removing P->V locking.

- Use lock object on vmobjlock (and thus vnode_t::v_interlock) to share
  the locks amongst UVM objects where necessary (tmpfs, layerfs, unionfs).

- Rewrite and optimise x86 TLB shootdown code, make it simpler and cleaner.
  Add TLBSTATS option for x86 to collect statistics about TLB shootdowns.

- Unify /dev/mem et al in MI code and provide required locking (removes
  kernel-lock on some ports).  Also, avoid cache-aliasing issues.

Thanks to Andrew Doran and Joerg Sonnenberger, as their initial patches
formed the core changes of this branch.

Revision 1.1.2.4 / (download) - annotate - [select for diffs], Sun Oct 10 08:29:39 2010 UTC (12 years, 3 months ago) by yamt
Branch: yamt-nfs-mp
Changes since 1.1.2.3: +1 -0 lines
Diff to previous 1.1.2.3 (colored) to branchpoint 1.1 (colored) next main 1.2 (colored)

some locking changes

Revision 1.1.2.3 / (download) - annotate - [select for diffs], Sun Sep 26 03:58:55 2010 UTC (12 years, 4 months ago) by yamt
Branch: yamt-nfs-mp
Changes since 1.1.2.2: +6 -6 lines
Diff to previous 1.1.2.2 (colored) to branchpoint 1.1 (colored)

locking changes

Revision 1.1.6.2 / (download) - annotate - [select for diffs], Fri Apr 30 14:44:22 2010 UTC (12 years, 9 months ago) by uebayasi
Branch: uebayasi-xip
Changes since 1.1.6.1: +546 -0 lines
Diff to previous 1.1.6.1 (colored) to branchpoint 1.1 (colored) next main 1.2 (colored)

Sync with HEAD.

Revision 1.1.4.1 / (download) - annotate - [select for diffs], Tue Mar 16 15:38:12 2010 UTC (12 years, 10 months ago) by rmind
Branch: rmind-uvmplock
Changes since 1.1: +4 -4 lines
Diff to previous 1.1 (colored) next main 1.2 (colored)

Change struct uvm_object::vmobjlock to be dynamically allocated with
mutex_obj_alloc().  It allows us to share the locks among UVM objects.

Revision 1.1.2.2 / (download) - annotate - [select for diffs], Thu Mar 11 15:04:31 2010 UTC (12 years, 10 months ago) by yamt
Branch: yamt-nfs-mp
Changes since 1.1.2.1: +560 -0 lines
Diff to previous 1.1.2.1 (colored) to branchpoint 1.1 (colored)

sync with head

Revision 1.1.6.1, Tue Mar 2 23:19:09 2010 UTC (12 years, 11 months ago) by uebayasi
Branch: uebayasi-xip
Changes since 1.1: +0 -546 lines
FILE REMOVED

file nfs_clntsubs.c was added on branch uebayasi-xip on 2010-04-30 14:44:22 +0000

Revision 1.1.2.1, Tue Mar 2 23:19:09 2010 UTC (12 years, 11 months ago) by yamt
Branch: yamt-nfs-mp
Changes since 1.1: +0 -546 lines
FILE REMOVED

file nfs_clntsubs.c was added on branch yamt-nfs-mp on 2010-03-11 15:04:31 +0000

Revision 1.1 / (download) - annotate - [select for diffs], Tue Mar 2 23:19:09 2010 UTC (12 years, 11 months ago) by pooka
Branch: MAIN
CVS Tags: yamt-nfs-mp-base9, yamt-nfs-mp-base11, yamt-nfs-mp-base10, uebayasi-xip-base4, uebayasi-xip-base3, uebayasi-xip-base2, uebayasi-xip-base1, rmind-uvmplock-nbase, rmind-uvmplock-base, matt-mips64-premerge-20101231, jruoho-x86intr-base, jruoho-x86intr, cherry-xenmp-base, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2
Branch point for: yamt-nfs-mp, uebayasi-xip, rmind-uvmplock, cherry-xenmp

Get rid of dependency on fs_nfs.h, i.e. source modules with
conditional content depending on if the NFS client is wanted or
not.  The server can now be made an independent module not depending
on the nfs client.

Tested with rump_nfs (standalone client), rump_nfsd (standalone
nfsd) and a qemu installation with both the client and the server.

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