This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: valgrind support for glibc master
- From: Szabolcs Nagy <szabolcs dot nagy at arm dot com>
- To: Florian Weimer <fweimer at redhat dot com>, Siddhesh Poyarekar <siddhesh at gotplt dot org>, GNU C Library <libc-alpha at sourceware dot org>
- Cc: nd at arm dot com, The GNU C Library support for Fedora <glibc at lists dot fedoraproject dot org>, Mark Wielaard <mark at klomp dot org>
- Date: Thu, 22 Jun 2017 12:46:39 +0100
- Subject: Re: valgrind support for glibc master
- Authentication-results: sourceware.org; auth=none
- Authentication-results: klomp.org; dkim=none (message not signed) header.d=none;klomp.org; dmarc=none action=none header.from=arm.com;
- Nodisclaimer: True
- References: <4cc2a089-aa95-61e3-19ff-437efda1b420@redhat.com> <ca27fd66-0220-4a8e-7bf1-2d069821a342@gotplt.org> <8c4b88d7-5670-9aad-4001-583658a8a4d7@redhat.com>
- Spamdiagnosticmetadata: NSPM
- Spamdiagnosticoutput: 1:99
On 22/06/17 12:38, Florian Weimer wrote:
> On 06/22/2017 01:28 PM, Siddhesh Poyarekar wrote:
>> This needs a valgrind patch to identify reading midr_el1 (in
>> VEX/priv/guest_arm64_toIR.c AFAICT), which is trapped and emulated by
>> the kernel since 4.11.
>
> I'm puzzled why we are seeing this now. Has Linux 4.11 started to
> signal CPUID support in HWCAP? Our last successful build was on kernel
> 4.10.
>
yes it's in 4.11:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/diff/arch/arm64/kernel/cpufeature.c?id=77c97b4ee21290f5f083173d957843b615abbff2
>> Is someone already working on this or would you like me to do this?
>
> Mark says you just volunteered. :)
>
> Thanks,
> Florian
>