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PING^3: V5 [PATCH 0/2] Add <sys/platform/x86.h>
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: GNU C Library <libc-alpha at sourceware dot org>
- Cc: Florian Weimer <fweimer at redhat dot com>
- Date: Tue, 23 Oct 2018 23:47:03 -0700
- Subject: PING^3: V5 [PATCH 0/2] Add <sys/platform/x86.h>
On 10/17/18, H.J. Lu <hjl.tools@gmail.com> wrote:
> On 10/5/18, H.J. Lu <hjl.tools@gmail.com> wrote:
>> On Thu, Sep 27, 2018 at 12:43 PM H.J. Lu <hjl.tools@gmail.com> wrote:
>>>
>>> Add <sys/platform/x86.h> to provide an API to access x86 specific
>>> platform
>>> features. It makes raw and derived CPUID information available to
>>> applications so that programmers can avoid complicated steps to retrieve
>>> the same information with CPUID instructions. 2 macros are provided to
>>> query x86 platform features:
>>>
>>> 1. HAS_CPU_FEATURE evaluates to true if CPU supports the feature.
>>> 2. CPU_FEATURE_USABLE evaluates to true if the feature is usable.
>>>
>>> They can be used in IFUNC resolvers, including in LD_PRELOAD shared
>>> objects.
>>>
>>>
>>> H.J. Lu (2):
>>> x86: Add <sys/platform/x86.h>
>>> x86: Add a LD_PRELOAD IFUNC resolver test for CPU_FEATURE_USABLE
>>>
>>> NEWS | 3 +
>>> manual/platform.texi | 458 +++++++++++
>>> sysdeps/mach/hurd/i386/ld.abilist | 2 +
>>> sysdeps/unix/sysv/linux/i386/ld.abilist | 2 +
>>> sysdeps/unix/sysv/linux/x86_64/64/ld.abilist | 2 +
>>> sysdeps/unix/sysv/linux/x86_64/x32/ld.abilist | 2 +
>>> sysdeps/x86/Makefile | 23 +-
>>> sysdeps/x86/Versions | 3 +
>>> sysdeps/x86/cpu-features.c | 97 ++-
>>> sysdeps/x86/cpu-features.h | 234 ++----
>>> sysdeps/x86/dl-get-cpu-features.c | 19 +
>>> sysdeps/x86/sys/platform/x86.h | 755 ++++++++++++++++++
>>> sysdeps/x86/tst-get-cpu-features.c | 29 +-
>>> sysdeps/x86/tst-x86-platform-1-static.c | 1 +
>>> sysdeps/x86/tst-x86-platform-1.c | 254 ++++++
>>> sysdeps/x86/tst-x86-platform-2.c | 27 +
>>> sysdeps/x86/tst-x86-platform-3.c | 27 +
>>> sysdeps/x86/tst-x86-platform-4.c | 54 ++
>>> sysdeps/x86/tst-x86-platform-mod-2.c | 2 +
>>> sysdeps/x86/tst-x86-platform-mod-3.c | 2 +
>>> sysdeps/x86/tst-x86-platform-mod-4.c | 37 +
>>> sysdeps/x86/tst-x86-platform-preload-4.c | 62 ++
>>> sysdeps/x86_64/multiarch/sched_cpucount.c | 2 +-
>>> sysdeps/x86_64/multiarch/test-multiarch.c | 4 +-
>>> 24 files changed, 1889 insertions(+), 212 deletions(-)
>>> create mode 100644 sysdeps/x86/sys/platform/x86.h
>>> create mode 100644 sysdeps/x86/tst-x86-platform-1-static.c
>>> create mode 100644 sysdeps/x86/tst-x86-platform-1.c
>>> create mode 100644 sysdeps/x86/tst-x86-platform-2.c
>>> create mode 100644 sysdeps/x86/tst-x86-platform-3.c
>>> create mode 100644 sysdeps/x86/tst-x86-platform-4.c
>>> create mode 100644 sysdeps/x86/tst-x86-platform-mod-2.c
>>> create mode 100644 sysdeps/x86/tst-x86-platform-mod-3.c
>>> create mode 100644 sysdeps/x86/tst-x86-platform-mod-4.c
>>> create mode 100644 sysdeps/x86/tst-x86-platform-preload-4.c
>>>
>>
>> PING:
>>
>> https://sourceware.org/ml/libc-alpha/2018-09/msg00510.html
>> https://sourceware.org/ml/libc-alpha/2018-09/msg00509.html
>>
>
> PING.
If there are no objections, I'd like to check them in this week.
Thanks.
--
H.J.