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From: Florian Weimer <fweimer@redhat.com>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Carlos O'Donell <carlos@redhat.com>,  Joseph Myers <joseph@codesourcery.com>,  Szabolcs Nagy <szabolcs.nagy@arm.com>,  libc-alpha@sourceware.org,  Thomas Gleixner <tglx@linutronix.de>,  Ben Maurer <bmaurer@fb.com>,  Peter Zijlstra <peterz@infradead.org>,  "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,  Boqun Feng <boqun.feng@gmail.com>,  Will Deacon <will.deacon@arm.com>,  Dave Watson <davejwatson@fb.com>,  Paul Turner <pjt@google.com>,  Rich Felker <dalias@libc.org>,  linux-kernel@vger.kernel.org,  linux-api@vger.kernel.org
Subject: Re: [RFC PATCH glibc 1/4] glibc: Perform rseq(2) registration at nptl init and thread creation (v4)
References: <20181204192141.4684-1-mathieu.desnoyers@efficios.com>
Date: Tue, 04 Dec 2018 19:44:00 -0000
In-Reply-To: <20181204192141.4684-1-mathieu.desnoyers@efficios.com> (Mathieu
	Desnoyers's message of "Tue, 4 Dec 2018 14:21:38 -0500")
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* Mathieu Desnoyers:

> diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist
> index c370fda73d..9da78d59d2 100644
> --- a/sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist
> +++ b/sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist
> @@ -235,3 +235,4 @@ GLIBC_2.28 tss_create F
>  GLIBC_2.28 tss_delete F
>  GLIBC_2.28 tss_get F
>  GLIBC_2.28 tss_set F
> +GLIBC_2.29 __rseq_refcount T 0x4

This part looks buggy.

It's unclear based on this patch whether you actually want to get rid of
the __rseq_refcount symbol.

Thanks,
Florian