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[Bug nptl/22636] PTHREAD_STACK_MIN is too small on x86-64
- From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Thu, 11 Jan 2018 12:14:39 +0000
- Subject: [Bug nptl/22636] PTHREAD_STACK_MIN is too small on x86-64
- Auto-submitted: auto-generated
- References: <bug-22636-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=22636
--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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The branch, master has been updated
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=08c6e95234c60a5c2f37532d1111acf084f39345
commit 08c6e95234c60a5c2f37532d1111acf084f39345
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jan 11 13:13:28 2018 +0100
csu: Update __libgcc_s_init comment
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d8b778907e5270fdeb70459842ffbc20bd2ca5e1
commit d8b778907e5270fdeb70459842ffbc20bd2ca5e1
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Jan 11 13:13:14 2018 +0100
nptl: Add tst-minstack-cancel, tst-minstack-exit [BZ #22636]
I verified that without the guard accounting change in commit
630f4cc3aa019ede55976ea561f1a7af2f068639 (Fix stack guard size
accounting) and RTLD_NOW for libgcc_s introduced by commit
f993b8754080ac7572b692870e926d8b493db16c (nptl: Open libgcc.so with
RTLD_NOW during pthread_cancel), the tst-minstack-cancel test fails on
an AVX-512F machine. tst-minstack-exit still passes, and either of
the mentioned commit by itself frees sufficient stack space to make
tst-minstack-cancel pass, too.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 ++++++
nptl/Makefile | 2 +-
.../tst-minstack-cancel.c | 34 ++++++++++++-------
.../tst-minstack-exit.c | 32 +++++++++++-------
sysdeps/gnu/unwind-resume.c | 8 +++-
5 files changed, 58 insertions(+), 29 deletions(-)
copy sysdeps/unix/sysv/linux/tst-sysconf-iov_max.c =>
nptl/tst-minstack-cancel.c (58%)
copy sysdeps/unix/sysv/linux/tst-sysconf-iov_max.c => nptl/tst-minstack-exit.c
(58%)
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