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| author | Florian Weimer <fweimer@redhat.com> | 2021-12-14 12:37:44 +0100 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2021-12-14 14:44:04 +0100 |
| commit | 0884724a95b60452ad483dbe086d237d02ba624d (patch) | |
| tree | 0160ce8c4b0b2ed267717eb6d5a5a5029ab9a91a | |
| parent | f8392bb76633f794eea86401899e268bf52cff61 (diff) | |
| download | glibc-0884724a95b60452ad483dbe086d237d02ba624d.tar.gz glibc-0884724a95b60452ad483dbe086d237d02ba624d.tar.xz glibc-0884724a95b60452ad483dbe086d237d02ba624d.zip | |
elf: Use new dependency sorting algorithm by default
The default has to change eventually, and there are no known failures that require a delay. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
| -rw-r--r-- | NEWS | 7 | ||||
| -rw-r--r-- | elf/dl-tunables.list | 2 | ||||
| -rw-r--r-- | elf/tst-rtld-list-tunables.exp | 2 | ||||
| -rw-r--r-- | manual/tunables.texi | 2 |
4 files changed, 7 insertions, 6 deletions
diff --git a/NEWS b/NEWS index b53f230cca..2aaece42f5 100644 --- a/NEWS +++ b/NEWS @@ -60,9 +60,10 @@ Major new features: of the existing sorting algorithm when encountering particular circular object dependency cases. -* A new tunable, glibc.rtld.dynamic_sort, can be used to select between the two - DSO sorting algorithms. The default setting of '1' uses the current existing - algorithm, while a value of '2' selects the new DFS-based algorithm. +* A new tunable, glibc.rtld.dynamic_sort, can be used to select between + the two DSO sorting algorithms. The default setting of '2' uses the + new DFS-based algorithm. The setting '1' switches to the old + algorithm used in glibc 2.33 and earlier. * ABI support for a new function '__memcmpeq'. '__memcmpeq' is meant to be used by compilers for optimizing usage of 'memcmp' when its diff --git a/elf/dl-tunables.list b/elf/dl-tunables.list index 46ffb23784..ffcd7f18d4 100644 --- a/elf/dl-tunables.list +++ b/elf/dl-tunables.list @@ -162,7 +162,7 @@ glibc { type: INT_32 minval: 1 maxval: 2 - default: 1 + default: 2 } } } diff --git a/elf/tst-rtld-list-tunables.exp b/elf/tst-rtld-list-tunables.exp index 9bf572715f..44e4834cfb 100644 --- a/elf/tst-rtld-list-tunables.exp +++ b/elf/tst-rtld-list-tunables.exp @@ -10,6 +10,6 @@ glibc.malloc.tcache_max: 0x0 (min: 0x0, max: 0x[f]+) glibc.malloc.tcache_unsorted_limit: 0x0 (min: 0x0, max: 0x[f]+) glibc.malloc.top_pad: 0x0 (min: 0x0, max: 0x[f]+) glibc.malloc.trim_threshold: 0x0 (min: 0x0, max: 0x[f]+) -glibc.rtld.dynamic_sort: 1 (min: 1, max: 2) +glibc.rtld.dynamic_sort: 2 (min: 1, max: 2) glibc.rtld.nns: 0x4 (min: 0x1, max: 0x10) glibc.rtld.optional_static_tls: 0x200 (min: 0x0, max: 0x[f]+) diff --git a/manual/tunables.texi b/manual/tunables.texi index 5d50b90f64..28ff502990 100644 --- a/manual/tunables.texi +++ b/manual/tunables.texi @@ -318,7 +318,7 @@ value of @samp{2}, a different algorithm is used, which implements a topological sort through depth-first search, and does not exhibit the performance issues of @samp{1}. -The default value of this tunable is @samp{1}. +The default value of this tunable is @samp{2}. @end deftp @node Elision Tunables |