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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 20:44:00 +0100
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