Comment 5 for bug 1887989

Revision history for this message
bugproxy (bugproxy) wrote : Comment bridged from LTC Bugzilla

------- Comment From <email address hidden> 2020-08-12 09:42 EDT-------
No, we're asking to backport the following 3 patches from glibc 2.32 that will allow Ubuntu 20.04 to be used to develop software for POWER10:

commit ae725e3f9cb4e1eb825ebe1d55241c98c2ea32f1
Author: Tulio Magno Quites Machado Filho <email address hidden>
Date: Mon Jun 15 11:15:57 2020 -0300

powerpc: Add new hwcap values

Linux commit ID ee988c11acf6f9464b7b44e9a091bf6afb3b3a49 reserved 2 new
bits in AT_HWCAP2:
- PPC_FEATURE2_ARCH_3_1 indicates the availability of the POWER ISA
3.1;
- PPC_FEATURE2_MMA indicates the availability of the Matrix-Multiply
Assist facility.

commit d2ba3677da7a785556fcd708404d8e049b1c063b
Author: Tulio Magno Quites Machado Filho <email address hidden>
Date: Wed Jun 24 18:04:41 2020 -0300

powerpc: Add support for POWER10

1. Add the directories to hold POWER10 files.

2. Add support to select POWER10 libraries based on AT_PLATFORM.

3. Let submachine=power10 be set automatically.

commit f6add169c89bbdd139a2eb845686127ead5799cd (queue/2.32)
Author: Tulio Magno Quites Machado Filho <email address hidden>
Date: Tue Jul 21 18:01:39 2020 -0300

powerpc: Fix POWER10 selection

Add a line that was missing from a previous commit.
Without increasing str, the null-byte is not validated, and
_dl_string_platform returns -1.

Fixes: d2ba3677da7a ("powerpc: Add support for POWER10")

Reviewed-by: Carlos O'Donell <email address hidden>