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2022-04-26glibc: Update to latest 2.35 tipKhem Raj
Brings in below changes * 499a601796 Default to --with-default-link=no (bug 25812) * 70f1eecdc1 scripts: Add glibcelf.py module * d3feff2232 m68k: Handle fewer relocations for RTLD_BOOTSTRAP (#BZ29071) * 68d3a9a696 nptl: Fix pthread_cancel cancelhandling atomic operations * 8e8d46d598 mips: Fix mips64n32 64 bit time_t stat support (BZ#29069) * bd415684df hurd: Fix arbitrary error code * ba9c42ac0e nptl: Handle spurious EINTR when thread cancellation is disabled (BZ#29029) * 6583d53445 S390: Add new s390 platform z16. * cc9a4a664f elf: Fix memory leak in _dl_find_object_update (bug 29062) * db03235895 NEWS: Move PLT tracking slowdown to glibc 2.35. * 9be62976af hppa: Use END instead of PSEUDO_END in swapcontext.S * 01d5214bb4 hppa: Implement swapcontext in assembler (bug 28960) * 123bd1ec66 nss: Protect against errno changes in function lookup (bug 28953) * c54c5cd8e3 nss: Do not mention NSS test modules in <gnu/lib-names.h> * 3149f47b80 io: Add fsync call in tst-stat * e30c1c73da nptl: Fix cleanups for stack grows up [BZ# 28899] * ca0570fee3 hppa: Fix warnings from _dl_lookup_address * d82d9cdff4 hppa: Revise gettext trampoline design * 2631d3b3a6 hppa: Fix swapcontext * 1f77081178 Fix elf/tst-audit2 on hppa * c60e6a458b hppa: Fix bind-now audit (BZ #28857) * 90797f4972 localedef: Handle symbolic links when generating locale-archive * 732dd3a63d localedata: Do not generate output if warnings were present. * 3feecd8001 localedef: Update LC_MONETARY handling (Bug 28845) * a787325e83 NEWS: Add a bug fix entry for BZ #28688 * 264ad5d7d6 resolv: Fix tst-resolv tests for 2.35 ABIs and later * e247a3b118 elf: Replace tst-audit24bmod2.so with tst-audit24bmod2 * 1dd783fafd elf: Check invalid hole in PT_LOAD segments [BZ #28838] * 3226ffde07 NEWS: Add a bug fix entry for BZ #28896 * 676f85759c x86: Fix TEST_NAME to make it a string in tst-strncmp-rtm.c * d001088e22 x86: Test wcscmp RTM in the wcsncmp overflow case [BZ #28896] * fd412fff6d x86: Fallback {str|wcs}cmp RTM in the ncmp overflow case [BZ #28896] * a30807b7db string: Add a testcase for wcsncmp with SIZE_MAX [BZ #28755] * f055faf801 linux: Use socket-constants-time64.h on tst-socket-timestamp-compat * 491f2ef1f0 linux: fix accuracy of get_nprocs and get_nprocs_conf [BZ #28865] Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-04-20glibc: ptest: Fix glibc-tests package issuePgowda
Run glibc-tests only when its enabled in the DISTRO_FEATURES. Signed-off-by: pgowda <pgowda.cve@gmail.com> Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-02-25glibc: fix multilib headers conflict for armYi Zhao
Fixes: Error: Transaction test error: file /usr/include/bits/dl_find_object.h conflicts between attempted installs of lib32-libc6-dev-2.35-r0.armv7vet2hf_vfp and libc6-dev-2.35-r0.cortexa57 file /usr/include/bits/rseq.h conflicts between attempted installs of lib32-libc6-dev-2.35-r0.armv7vet2hf_vfp and libc6-dev-2.35-r0.cortexa57 file /usr/include/bits/timesize.h conflicts between attempted installs of lib32-libc6-dev-2.35-r0.armv7vet2hf_vfp and libc6-dev-2.35-r0.cortexa57 Signed-off-by: Yi Zhao <yi.zhao@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-02-25glibc: unify wordsize.h between arm and aarch64Yi Zhao
Make sure this header file is same in arm and aarch64. Fix the conflict error when enable multilib: Error: Transaction test error: file /usr/include/bits/wordsize.h conflicts between attempted installs of lib32-libc6-dev-2.35-r0.armv7vet2hf_vfp and libc6-dev-2.35-r0.cortexa57 Signed-off-by: Yi Zhao <yi.zhao@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-02-21meta/scripts: Automated conversion of OE renamed variablesRichard Purdie
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-02-20meta/meta-selftest/meta-skeleton: Update LICENSE variable to use SPDX ↵Richard Purdie
license identifiers An automated conversion using scripts/contrib/convert-spdx-licenses.py to convert to use the standard SPDX license identifiers. Two recipes in meta-selftest were not converted as they're that way specifically for testing. A change in linux-firmware was also skipped and may need a more manual tweak. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-02-18glibc: fix create thread failed in unprivileged processHongxu Jia
Since upstream commit [d8ea0d0168 Add an internal wrapper for clone, clone2 and clone3] applied, start a unprivileged container (docker run without --privileged), it creates a thread failed in container. In commit d8ea0d0168, it calls __clone3 if HAVE_CLONE3_WAPPER is defined. If __clone3 returns -1 with ENOSYS, fall back to clone or clone2. As known from [1], cloneXXX fails with EPERM if CLONE_NEWCGROUP, CLONE_NEWIPC, CLONE_NEWNET, CLONE_NEWNS, CLONE_NEWPID, or CLONE_NEWUTS was specified by an unprivileged process (process without CAP_SYS_ADMIN) [1] https://man7.org/linux/man-pages/man2/clone3.2.html So if __clone3 returns -1 with EPERM, fall back to clone or clone2 could fix the issue. Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-02-10meta: Remove libsegfault and catchsegvKhem Raj
Glibc has dropped them starting with 2.35 see [1] [1] https://sourceware.org/git/?p=glibc.git;a=commit;h=65ccd641bacea33be23d51da737c2de7543d0f5e Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-02-10glibc: Upgrade to 2.35Richard Purdie
Package /usr/bin/ld.so in a separate package ld.so is a new tool which is added as a symlink to original dynamic linker so make it available with same name across architectures which is useful to leveral features like --preload, --audit, and --list-diagnostics more accessible to end users Signed-off-by: Khem Raj <raj.khem@gmail.com>
2022-02-05glibc: Drop prelink patchRichard Purdie
With the removal of prelink, we no longer need the glibc patch for it either. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-02-03glibc-tests: Correct PACKAGE_DEBUG_SPLIT_STYLEPeter Kjellerstedt
It was set to "debug", but the officially supported value is ".debug". Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-01-26glibc : Fix CVE-2021-3999Pgowda
Upstream-Status: Backport [https://sourceware.org/git/?p=glibc.git;a=commit;h=8c8a71c85f2ed5cc90d08d82ce645513fc907cb6] Upstream-Status: Backport [https://sourceware.org/git/?p=glibc.git;a=commit;h=472e799a5f2102bc0c3206dbd5a801765fceb39c] Signed-off-by: pgowda <pgowda.cve@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-01-26glibc : Fix CVE-2021-3998Pgowda
Upstream-Status: Backport [https://sourceware.org/git/?p=glibc.git;a=commit;h=062ff490c1467059f6cd64bb9c3d85f6cc6cf97a] Upstream-Status: Backport [https://sourceware.org/git/?p=glibc.git;a=commit;h=f7a79879c0b2bef0dadd6caaaeeb0d26423e04e5] Signed-off-by: pgowda <pgowda.cve@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-01-20glibc : Fix CVE-2022-23219Sundeep KOKKONDA
Upstream-Status: Backport [https://sourceware.org/git/?p=glibc.git;a=commit;h=226b46770c82899b555986583294b049c6ec9b40] Upstream-Status: Backport [https://sourceware.org/git/?p=glibc.git;a=commit;h=ef972a4c50014a16132b5c75571cfb6b30bef136] Signed-off-by: pgowda <pgowda.cve@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2022-01-20glibc : Fix CVE-2022-23218Sundeep KOKKONDA
Upstream-Status: Backport [https://sourceware.org/git/?p=glibc.git;a=commit;h=e368b12f6c16b6888dda99ba641e999b9c9643c8] Upstream-Status: Backport [https://sourceware.org/git/?p=glibc.git;a=commit;h=f545ad4928fa1f27a3075265182b38a4f939a5f7] Signed-off-by: pgowda <pgowda.cve@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-12-12glibc: Redo tzselect bash dependency problemKhem Raj
New patch adds a knob to select needed shell interpreter for tzselect script, which then we excercise via EXTRA_OEMAKE Signed-off-by: Khem Raj <raj.khem@gmail.com> Cc: Hongxu Jia <hongxu.jia@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-12-08glibc: Drop patch for obsolete conflict issueRichard Purdie
We're no longer patching files called "libm-test-ulps" so this patch isn't really needed. Regardless, if we were, we should fix the real issue in the upstream code which may have already happened. Drop this patch. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-12-08glibc: Drop ppc sqrt optimisationsKhem Raj
OpenEmbedded isn't an upstream or a patch repository. These are optimisations which for reasons unknown were never merged into upstream glibc. We have no active ppc maintainers and these patches are at an evolutionary dead end. Since they are optimisations, there may be small performance regressions by removing them but OE can't carry patches like this indefinitely and these appear to have no future. Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-12-03glibc: Drop patch to support/workaround prelinked apps on armv5Khem Raj
The usecase explained in bug #1443 works fine now a days on qemuarmv5, tested by using lltng-ust and explicitly linking in liburcu-bp.so as well, since its no more a direct dependency of liblttng-ust.so.1 Given that usecase works, unbolt this fix now. Signed-off-by: Khem Raj <raj.khem@gmail.com> Cc: Mark Hatle <mark.hatle@kernel.crashing.org> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-11-24glibc: Fix i586/c3 supportRichard Purdie
CET can't be enabled on i586 or c3 for x86, adjust the configuration accordingly to fix those builds. [YOCTO #14632] Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-11-23glibc-tests: Do not set SYSTEMD_SERVICEKhem Raj
These are glibc specific which comes from glibc packaging class Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-11-23glibc: ptest: Add running glibc time related test suite (Y2038) with ptestLukasz Majewski
This patch introduces new recipe - namely 'glibc-tests', which builds and installs time related (to check if Y2038 support works) glibc test suite to OE/Yocto built image. It reuses code from already available 'glibc-testsuite' recipe, which is run with 'bitbake glibc-testsuite -c check' and uses qemu to execute remotely (via SSH) tests on some emulated machine. This recipe installs time related glibc tests on some rootfs image. Afterwards, those tests can be executed on the real hardware, to facilitate validation of it with Y2038 problem compliance. To test time related subset - one needs to call: ptest-runner glibc-tests then change the date after Y2038 threshold for 32 bit systems: date -s "20 JAN 2038 18:00:00" and then run ptest-runner again. To facilitate debugging, source files are provided by default with the unstripped debugging symbols. Such approach would reduce the already complex recipe (as it inherits base glibc one), so there is no need to also install *-dbg and *-src packages. Signed-off-by: Lukasz Majewski <lukma@denx.de> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-11-21patches: correct whitespace/spelling for Upstream-Status tagsAlexander Kanavin
Signed-off-by: Alexander Kanavin <alex@linutronix.de> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-11-16glibc: Backport fix for CVE-2021-43396Richard Purdie
Backport the fix for CVE-2021-43396. It is disputed that this is a security issue however the fix applies easily so we may as well. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-11-11glibc-version.inc: remove branch= from GLIBC_GIT_URIAnuj Mittal
GLIBC_GIT_URI is used along with branch=${SRCBRANCH} so no need to add it here. Signed-off-by: Anuj Mittal <anuj.mittal@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-11-10meta: use ln -rs instead of lnrRoss Burton
lnr is a script in oe-core that creates relative symlinks, with the same behaviour as `ln --relative --symlink`. It was added back in 2014[1] as not all of the supported host distributions at the time shipped coreutils 8.16, the first release with --relative. However the oldest coreutils release in the supported distributions is now 8.22 in CentOS 7, so lnr can be deprecated and users switched to ln. [1] 6ae3b85eaffd1b0b6914422e8de7c1230723157d Signed-off-by: Ross Burton <ross.burton@arm.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-11-03recipes: Update github.com urls to use httpsRichard Purdie
Github has announced there will be no more git:// fetching from their servers: https://github.blog/2021-09-01-improving-git-protocol-security-github/#no-more-unauthenticated-git and they're about to start having brownout periods to encourage people to update. This runs the conversion script over OE-Core to update our urls to use https instead of git. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-10-30meta: Add explict branch to git SRC_URIsRichard Purdie
There is uncertainty about the default branch name in git going forward. To try and cover the different possible outcomes, add branch names to all git:// and gitsm:// SRC_URI entries. This update was made with the script added to contrib in this patch which aims to help others convert other layers. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-10-18glibc: Extract common code to build tests to glibc-tests.incLukasz Majewski
The common code to build tests has been extracted from glibc-testsuite recipe to glibc-tests.inc This code will be reused in the recipe necessary for providing glibc tests executed with ptest framework. Signed-off-by: Lukasz Majewski <lukma@denx.de> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-10-09glibc: Drop libcidn packageFred Liu
libcidn has been dropped since glibc 2.28 Signed-off-by: Fred Liu <yclw3d2y@live.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-09-17Update mailing list addressJon Mason
Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-09-07systemd: '${systemd_unitdir}/system' => '${systemd_system_unitdir}'Robert P. J. Day
Repo-wide replacement to use newer variable to represent systemd system unitdir directory. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-08-31glibc: fix create thread failed in unprivileged processHongxu Jia
Since upstream commit [d8ea0d0168 Add an internal wrapper for clone, clone2 and clone3] applied, start a unprivileged container (docker run without --privileged), it creates a thread failed in container. In commit d8ea0d0168, it calls __clone3 if HAVE_CLONE3_WAPPER is defined. If __clone3 returns -1 with ENOSYS, fall back to clone or clone2. As known from [1], cloneXXX fails with EPERM if CLONE_NEWCGROUP, CLONE_NEWIPC, CLONE_NEWNET, CLONE_NEWNS, CLONE_NEWPID, or CLONE_NEWUTS was specified by an unprivileged process (process without CAP_SYS_ADMIN) [1] https://man7.org/linux/man-pages/man2/clone3.2.html So if __clone3 returns -1 with EPERM, fall back to clone or clone2 could fix the issue. Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-08-22wordsize.h: Fix a miss, this file in arm and aarch64 should be the same.leimaohui
Signed-off-by: Lei Maohui <leimaohui@fujitsu.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-08-22Fix conflict error when enable multilib.leimaohui
file /usr/include/bits/pthread_stack_min.h conflicts between attempted installs of libc6-dev-2.34-r0.aarch64 and lib32-libc6-dev-2.34-r0.armv7ahf_neon Signed-off-by: Lei Maohui <leimaohui@fujitsu.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-08-20glibc: Fix CVE-2021-38604Vinay Kumar
Source: https://sourceware.org/git/glibc.git Tracking -- https://sourceware.org/bugzilla/show_bug.cgi?id=28213 Backported upstream commits b805aebd42364fe696e417808a700fdb9800c9e8 and 4cc79c217744743077bf7a0ec5e0a4318f1e6641 to glibc-2.34 source. Upstream-Status: Backport [https://sourceware.org/git/?p=glibc.git;a=commit;h=b805aebd42364fe696e417808a700fdb9800c9e8] Upstream-Status: Backport [https://sourceware.org/git/?p=glibc.git;a=commit;h=4cc79c217744743077bf7a0ec5e0a4318f1e6641] Signed-off-by: Vinay Kumar <vinay.m.engg@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-08-18glibc: package the stub .a libaries into glibc-devRoss Burton
In glibc 2.34, the libraries libpthread, libdl, libutil, libanl have been integrated into libc. To retain compatibility with old binaries the shared libaries are still shipped but are empty, and to keep software building there are empty static libraries. However, these static libraries get packaged into glibc-staticdev (as they should be), but by this design they should be in glibc-dev. https://sourceware.org/pipermail/libc-alpha/2021-August/129718.html Signed-off-by: Ross Burton <ross.burton@arm.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-08-06glibc: Add missing symlinks for libpthread and librt dev filesKhem Raj
Signed-off-by: Khem Raj <raj.khem@gmail.com>
2021-08-06glibc: Drop DUMMY_LOCALE_T define patchKhem Raj
It was needed for very old centos distros which are no longer supported Signed-off-by: Khem Raj <raj.khem@gmail.com>
2021-08-06glibc: Remove obsolete --enable-stackguard-randomizationKhem Raj
this has been removed in 2.34 onwards Signed-off-by: Khem Raj <raj.khem@gmail.com>
2021-08-06glibc: Upgrade to 2.34 releaseKhem Raj
bump localedef to get __attr_access_none and __attr_access definitions replace /bin/bash instead of @BASH@ in ldd as @BASH@ has been substituted with /bin/bash now package libc_malloc_debug.so.0 Detailed changelog [1] [1] https://sourceware.org/pipermail/libc-alpha/2021-August/129718.html Signed-off-by: Khem Raj <raj.khem@gmail.com>
2021-07-30Convert to new override syntaxRichard Purdie
This is the result of automated script conversion: scripts/contrib/convert-overrides.py <oe-core directory> converting the metadata to use ":" as the override character instead of "_". Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-07-28glibc: Fix CVE-2021-33574Vinay Kumar
Source: https://sourceware.org/git/glibc.git Tracking -- https://sourceware.org/bugzilla/show_bug.cgi?id=27896 Backported upstream commit 42d359350510506b87101cf77202fefcbfc790cb to glibc-2.33 source with dependent commit id 217b6dc298156bdb0d6aea9ea93e7e394a5ff091. Upstream-Status: Backport [https://sourceware.org/git/?p=glibc.git;a=commit;h=42d359350510506b87101cf77202fefcbfc790cb] Signed-off-by: Vinay Kumar <vinay.m.engg@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-07-07glibc-testsuite: Fix build failures when directly running recipeRichard Purdie
If you try and run the glibc-testsuite's build task, you see failures as do_populate_sysroot can't work. We don't have a do_install, get rid of do_populate_sysroot as well. The recipe is not included in world builds by default which is why we don't see the issue more widely. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-06-29ldconfig-native: Add RISC-V supportChristoph Muellner
The current version of ldconfig does not support RISC-V. Let's add a patch, that adds the required constant definitions (from upstream glibc) and the necessary case statements. Signed-off-by: Christoph Muellner <cmuellner@linux.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-06-26glibc: re-enable memory taggingRoss Burton
Now that the performance regressions caused by MTE have been resolved, we can enable memory tagging again. It is safe to globally enable the config as glibc does nothing if it isn't supported on that target. (From OE-Core rev: 5910d46b2a4b4387c12feb447c42864ec6b7828c) Signed-off-by: Ross Burton <ross.burton@arm.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2021-06-26glibc: backport MTE improvements from masterRoss Burton
After realising that the MTE support in 2.33 was suboptimal, discussion with upstream revealed that these issues are known and already fixed. They will be in glibc 2.34 which is scheduled for August, so backport the fixes for now. (From OE-Core rev: e5eadbf45b7fb953c557438854b0a96ba740c589) Signed-off-by: Ross Burton <ross.burton@arm.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2021-06-21glibc: do not enable memory tagging on aarch64 just yetAlexander Kanavin
Sadly, it seems to break copy-on-write as reported here: https://lists.openembedded.org/g/openembedded-core/message/153082 (From OE-Core rev: 6891217346128cf529c15192defa096378fc5091) Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2021-06-21glibc: fix path to place zdump in the tzcode packageTony Battersby
zdump should be included in the tzcode package but is instead included in the glibc-utils package due to an incorrect path in the recipe. https://bugzilla.yoctoproject.org/show_bug.cgi?id=14427 Signed-off-by: Tony Battersby <tonyb@cybernetics.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-05-25glibc: Enable memory tagging for aarch64Khem Raj
Glibc on aarch64 has a memory tagging option that can be enabled via GLIBC_TUNABLES="glibc.mem.tagging=$SOMETHING" when glibc is built with memory tagging support and the kernel/HW supports MTE. There should be no side effects unless the user turns it on with approprate HW support Linux 5.4 headers and binutils 2.33.1 or newer is needed. Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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