From: Carlos Eduardo Seo <cseo@linux.vnet.ibm.com>
To: Tulio Magno Quites Machado Filho <tuliom@ascii.art.br>,
Adhemerval Zanella <adhemerval.zanella@linaro.org>,
<libc-alpha@sourceware.org>
Cc: Breno Leitao <leitao@debian.org>
Subject: Re: [PATCH] powerpc: Only enable TLE with PPC_FEATURE2_HTM_NOSC
Date: Wed, 29 Aug 2018 21:46:00 -0000 [thread overview]
Message-ID: <5DF4E36A-BB7E-4112-8977-D4A8C09A8E8F@linux.vnet.ibm.com> (raw)
In-Reply-To: <87mut7bfb9.fsf@linux.ibm.com>
On 8/27/18, 4:44 PM, "Tulio Magno Quites Machado Filho" <libc-alpha-owner@sourceware.org on behalf of tuliom@ascii.art.br> wrote:
Adhemerval Zanella <adhemerval.zanella@linaro.org> writes:
> diff --git a/sysdeps/powerpc/nptl/tls.h b/sysdeps/powerpc/nptl/tls.h
> index f88fed5..8db970d 100644
> --- a/sysdeps/powerpc/nptl/tls.h
> +++ b/sysdeps/powerpc/nptl/tls.h
> @@ -67,8 +67,7 @@ typedef struct
> uint32_t padding;
> uint32_t at_platform;
> #endif
> - /* Indicate if HTM capable (ISA 2.07). */
> - uint32_t tm_capable;
> + uint32_t __unused1;
Is the TCB part of the library ABI?
Not this field, but if you remove it, you will mess with the tcb symbol offsets, and gcc's __builtin_cpu_is/supports rely on the hwcap and at_platform fields here, IIRC.
--
Carlos Eduardo Seo
prev parent reply other threads:[~2018-08-29 21:46 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-27 20:54 Adhemerval Zanella
2018-08-27 22:20 ` Gustavo Romero
2018-08-27 22:44 ` Tulio Magno Quites Machado Filho
2018-08-28 11:49 ` Adhemerval Zanella
2018-09-13 18:30 ` Breno Leitao
2018-09-19 23:20 ` Tulio Magno Quites Machado Filho
2018-09-20 16:29 ` Adhemerval Zanella
2018-09-21 0:39 ` Adhemerval Zanella
2018-09-21 6:13 ` Florian Weimer
2018-09-21 17:20 ` Adhemerval Zanella
2018-09-21 15:38 ` Joseph Myers
2018-08-28 11:58 ` Adhemerval Zanella
2018-08-28 21:35 ` Gabriel F. T. Gomes
2018-08-29 21:46 ` Carlos Eduardo Seo [this message]
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