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|r352432||dmgk||Sept. 17, 2019, 12:22 a.m.||Amend r352422, add missing 'n'|
|r352431||jmg||Sept. 16, 2019, 10:48 p.m.||fix the article to be correct...|
|r352430||mhorne||Sept. 16, 2019, 10:17 p.m.||RISC-V: Support EARLY_AP_STARTUP|
|r352427||mjg||Sept. 16, 2019, 9:37 p.m.||vfs: convert struct mount counters to per-cpu
There are 3 counters modified all the time in this structure - one for keeping the structure alive, one for preventing unmount and one for tracking active writers. Exact values of these counters are very rarely needed, which makes them a prime candidate for conversion to a per-cpu scheme, resulting in much better performance. Sample benchmark performing fstatfs (modifying 2 out of 3 counters) on a 104-way 2 socket Skylake system: before: 852393 ops/s after: 76682077 ops/s Reviewed by: kib, jeff Tested by: pho Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D21637ViewVC
|r352426||mjg||Sept. 16, 2019, 9:33 p.m.||vfs: manage mnt_writeopcount with atomics|
|r352425||mjg||Sept. 16, 2019, 9:32 p.m.||vfs: manage mnt_lockref with atomics|
|r352424||mjg||Sept. 16, 2019, 9:31 p.m.||vfs: manage mnt_ref with atomics
New primitive is introduced to denote sections can operate locklessly on aspects of struct mount, but which can also be disabled if necessary. This provides an opportunity to start scaling common case modifications while providing stable state of the struct when facing unmount, write suspendion or other events. mnt_ref is the first counter to start being managed in this manner with the intent to make it per-cpu. Reviewed by: kib, jeff Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D21425ViewVC
|r352423||dmgk||Sept. 16, 2019, 8:43 p.m.||Add myself (dmgk) to calendar.freebsd|
|r352422||dmgk||Sept. 16, 2019, 8:41 p.m.||Add myself (dmgk) as a ports committer|
|r352421||tsoome||Sept. 16, 2019, 8:28 p.m.||loader: Malloc(0) should return NULL.
We really should not allocate anything with size 0.ViewVC
|r352420||tsoome||Sept. 16, 2019, 8:26 p.m.||loader_4th: scan_buffer can leave empty string on stack
When the file processing is done, we will have string with lenght 0 in stack and we will attempt to allocate 0 bytes.ViewVC
|r352417||asomers||Sept. 16, 2019, 4:41 p.m.||Fix an off-by-one error from r351961
That revision addressed a Coverity CID that could lead to a buffer overflow, but it had an off-by-one error in the buffer size check. Reported by: Coverity Coverity CID: 1405530 MFC after: 3 days MFC-With: 351961 Sponsored by: The FreeBSD FoundationViewVC
|r352414||asomers||Sept. 16, 2019, 3:56 p.m.||fusefs: initialize C++ classes the Coverity way
Coverity complained that I wasn't initializing some class members until the SetUp method. Do it in the constructor instead. Reported by: Coverity Coverity CIDs: 1404352, 1404378 MFC after: 2 weeks Sponsored by: The FreeBSD FoundationViewVC
|r352413||asomers||Sept. 16, 2019, 3:44 p.m.||fusefs: fix some minor Coverity CIDs in the tests
Where open(2) is expected to fail, the tests should assert or expect that its return value is -1. These tests all accepted too much but happened to pass anyway. Reported by: Coverity Coverity CID: 1404512, 1404378, 1404504, 1404483 MFC after: 2 weeks Sponsored by: The FreeBSD FoundationViewVC
|r352411||markj||Sept. 16, 2019, 3:16 p.m.||Assert that the refcount value is not VPRC_BLOCKED in vm_page_drop().
VPRC_BLOCKED is a refcount flag used to indicate that a thread is tearing down mappings of a page. When set, it causes attempts to wire a page via a pmap lookup to fail. It should never represent the last reference to a page, so assert this. Suggested by: kib Reviewed by: alc, kib Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D21639ViewVC