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|r336294||alc||July 14, 2018, 8:14 p.m.||Invalidate the mapping before updating its physical address.
Doing so ensures that all threads sharing the pmap have a consistent view of the mapping. This fixes the problem described in the commit log message for r329254 without the overhead of an extra page fault in the common case. (Now that all pmap_enter() implementations are similarly modified, the workaround added in r329254 can be removed, reducing the overhead of COW faults.) With this change we can reuse the PV entry from the old mapping, potentially avoiding a call to reclaim_pv_chunk(). Otherwise, there is nothing preventing the old PV entry from being reclaimed. In rare cases this could result in the PTE's page table page being freed, leading to a use-after-free of the page when the updated PTE is written following the allocation of the PV entry for the new mapping. Reviewed by: br, markj MFC after: 3 weeks Differential Revision: https://reviews.freebsd.org/D16261ViewVC
|r336293||tuexen||July 14, 2018, 7:53 p.m.||Return the intended return code.
This bug was spotted by markj@ in D16268 because I copied this code part and used it there. So fix it. Sponsored by: Netflix, Inc.ViewVC
|r336292||rmacklem||July 14, 2018, 7:51 p.m.||Fix the pNFS client when mirrors aren't on the same machine.
Without this patch, the client side NFSv4.1 pNFS code erroneously did writes and commits to both DS mirrors using the TCP connection of the first one. For my test setup this worked, since I have both DSs running on the same machine, but it would have failed when the DSs are on separate machines. This patch fixes the code to use the correct TCP connection for each DS. This patch should only affect the NFSv4.1 client when using "pnfs" mounts to mirrored DSs. MFC after: 2 weeksViewVC
|r336291||tuexen||July 14, 2018, 7:49 p.m.||Fix shebangs and execute bit of test scripts.
Since we don't have /usr/bin/ksh, use a generic way of specifying ksh. Some of the tests only run with ksh93, so use this shell for these tests. Two of the tests don't have the execute bit set, so fix this, too. Reviewed by: markj@ Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D16270ViewVC
|r336290||alc||July 14, 2018, 7:35 p.m.||Correct some typos.
Reviewed by: kibViewVC
|r336289||stevek||July 14, 2018, 5:21 p.m.||Add mpo_vnode_check_setmode MAC method to MAC/veriexec.
In the method, disallow changing SUID/SGID on verified files. Obtained from: Juniper Networks, Inc.ViewVC
|r336288||alc||July 14, 2018, 5:20 p.m.||Add support for pmap_enter(..., psind=1) to the i386 pmap. In other words,
add support for explicitly requesting that pmap_enter() create a 2 or 4 MB page mapping. (Essentially, this feature allows the machine-independent layer to create superpage mappings preemptively, and not wait for automatic promotion to occur.) Export pmap_ps_enabled() to the machine-independent layer. Add a flag to pmap_pv_insert_pde() that specifies whether it should fail or reclaim a PV entry when one is not available. Refactor pmap_enter_pde() into two functions, one by the same name, that is a general-purpose function for creating PDE PG_PS mappings, and another, pmap_enter_4mpage(), that is used to prefault 2 or 4 MB read- and/or execute-only mappings for execve(2), mmap(2), and shmat(2). Reviewed by: kib Tested by: pho Differential Revision: https://reviews.freebsd.org/D16246ViewVC
|r336287||stevek||July 14, 2018, 5:18 p.m.||Add config(8) options that can be used to enable building MAC/veriexec
and its fingerprint modules into a kernel. Reviewed by: sjgViewVC
|r336286||stevek||July 14, 2018, 5:15 p.m.||Fix a typo which could cause a build breakage when building with MAC/veriexec
enabled in the kernel config. Remove unused mac_veriexec_print_db prototype in internal header file.ViewVC
|r336285||tuexen||July 14, 2018, 5:12 p.m.||Add support for TCP state names used by Solaris.
For compatibility, add the TCP state names used by Solaris and given in the Dtrace Guide available at https://docs.oracle.com/cd/E37838_01/html/E61035/glhgu.html#OSDTGglhmv Reviewed by: markj@ Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D16269ViewVC
|r336284||stevek||July 14, 2018, 4:59 p.m.||Remove RIPEMD-160 fingerprint modules for veriexec, since it has very
little practical use and would not be recommended for anyone to use in a production environment. Reviewed by: sjgViewVC
|r336283||ian||July 14, 2018, 4:33 p.m.||Eliminate an unused var warning-error; the var is used only when parsing
linux-style boot args, so wrap it in the appropriate ifdef.ViewVC
|r336282||sbruno||July 14, 2018, 4:19 p.m.||Fixup memory management for fetching options in ip_ctloutput()|
|r336281||markj||July 14, 2018, 4:06 p.m.||Fix vnic fallback PHY name matching after r334880.
In some cases it seems that the PHY mode can only be identified by matching against the corresponding device node name in the FDT. r334880 broke this for the case where the node name contains a unit address. Fix the problem by allowing a match in that case. Reviewed by: andrew, sbruno Tested by: sbruno Differential Revision: https://reviews.freebsd.org/D16259ViewVC
|r336280||cem||July 14, 2018, 3:45 p.m.||ffs_syncvnode: Remove unhelpful print|