From: Siddhesh Poyarekar <siddhesh@sourceware.org>
To: Szabolcs Nagy <nsz@port70.net>
Cc: Szabolcs Nagy <szabolcs.nagy@arm.com>,
libc-alpha@sourceware.org, nd@arm.com,
adhemerval.zanella@linaro.org
Subject: Re: [PATCH 5/5] aarch64: Allow overriding HWCAP_CPUID feature check using HWCAP_MASK
Date: Sat, 20 May 2017 13:23:00 -0000 [thread overview]
Message-ID: <01a717bb-8520-4a23-d5b9-4a998e27f27e@sourceware.org> (raw)
In-Reply-To: <20170520123541.GL9350@port70.net>
On Saturday 20 May 2017 06:05 PM, Szabolcs Nagy wrote:
> ok now i understand it better, my confusion is that
> the default seems to be _dl_hwcap_mask == 0, which
> would disable the cpuid bit unless one explicitly
> set LD_HWCAP_MASK=2048, i thought we wanted the
> opposite behaviour (cpuid based dispatch by default,
> which can be disabled with explicit setting).
Ah nice catch, we need to add HWCAP_CPUID to the important hwcaps. I'll
add that change to this last patch and repost.
Siddhesh
next prev parent reply other threads:[~2017-05-20 13:23 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-18 20:07 [PATCH v2 0/5] aarch64: Allow overriding HWCAP_CPUID feature check Siddhesh Poyarekar
2017-05-18 20:07 ` [PATCH 4/5] Delay initialization of CPU features struct in static binaries Siddhesh Poyarekar
2017-05-25 3:05 ` H.J. Lu
2017-05-18 20:07 ` [PATCH 1/5] tunables: Add hooks to get and update tunables Siddhesh Poyarekar
2017-05-22 14:07 ` Adhemerval Zanella
2017-05-18 20:07 ` [PATCH 2/5] tunables: Add LD_HWCAP_MASK to tunables Siddhesh Poyarekar
2017-05-22 13:20 ` Adhemerval Zanella
2017-05-18 20:07 ` [PATCH 5/5] aarch64: Allow overriding HWCAP_CPUID feature check using HWCAP_MASK Siddhesh Poyarekar
2017-05-19 9:49 ` Szabolcs Nagy
2017-05-19 17:44 ` Siddhesh Poyarekar
2017-05-19 22:12 ` Szabolcs Nagy
2017-05-20 3:32 ` Siddhesh Poyarekar
2017-05-20 12:35 ` Szabolcs Nagy
2017-05-20 13:23 ` Siddhesh Poyarekar [this message]
2017-05-18 20:07 ` [PATCH 3/5] tunables: Use glibc.tune.hwcap_mask tunable instead of _dl_hwcap_mask Siddhesh Poyarekar
2017-05-22 14:51 ` Adhemerval Zanella
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