CVS commit: [netbsd-6] src/sys/miscfs/kernfs

["Manuel Bouyer" <bouyer%netbsd.org@localhost>]

Module Name:    src
Committed By:   bouyer
Date:           Sat Sep  3 11:36:03 UTC 2016

Modified Files:
        src/sys/miscfs/kernfs [netbsd-6]: kernfs_vnops.c

Log Message:
Revert ticket 1367, it causes a kernel panic in test lib/libc/gen/t_getcwd
as seen in e.g.
http://www-soc.lip6.fr/~bouyer/NetBSD-tests/xen/netbsd-6/i386/201608291710Z_anita.txt

lib/libc/gen/t_getcwd (206/500): 2 test cases
    getcwd_err: [0.006614s] Passed.
    getcwd_fts: uvm_fault(0xc0e221b0, 0, 1) -> 0xe
fatal page fault in supervisor mode
trap type 6 code 0 eip c023ba9f cs 9 eflags 10246 cr2 1c ilevel 0
panic: trap
cpu1: Begin traceback...
panic(c04616d0,cdcfb938,cdcfb938,c023ba9f,9,10246,1c,0,1c,0) at netbsd:panic+0x18
trap() at netbsd:trap+0xb51
--- trap (number 6) ---
kernfs_readdir(cdcfbc0c,1,c11ce0b4,c0439f60,c11ce0b4,cdcfbc58,c0cc0cc0,cdcfbc7c,0,0) at netbsd:kernfs_readdir+0x98f
VOP_READDIR(c11ce0b4,cdcfbc58,c0cc0cc0,cdcfbc7c,0,0,c19287e0,1,cdcfbc58,cdcfbc74) at netbsd:VOP_READDIR+0x68
vn_readdir(c14c3000,bb512000,0,1000,cdcfbcbc,c19287e0,0,0,c14c3000,0) at netbsd:vn_readdir+0xbd
sys___getdents30(c19287e0,cdcfbd00,cdcfbd28,186,bb516000,0,cdcfbd00,c1199bf4,2,bb7a4fe7) at netbsd:sys___getdents30+0x8c
syscall(cdcfbd48,bb6b00b3,ab,bf7f001f,bb6b001f,0,bb5010d0,bf7fe764,bb7c4be0,0) at netbsd:syscall+0xaa
cpu1: End traceback...


To generate a diff of this commit:
cvs rdiff -u -r1.144.2.1 -r1.144.2.2 src/sys/miscfs/kernfs/kernfs_vnops.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.