From: "Emilio G. Cota" <cota@braap.org>
To: qemu-devel@nongnu.org
Cc: mttcg@listserver.greensocs.com,
Peter Maydell <peter.maydell@linaro.org>,
Alvise Rigo <a.rigo@virtualopensystems.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Richard Henderson <rth@twiddle.net>,
alex.bennee@linaro.org,
Frederic Konrad <fred.konrad@greensocs.com>
Subject: Re: [Qemu-devel] [RFC 5/8] aie: add module for Atomic Instruction Emulation
Date: Fri, 8 May 2015 18:41:35 -0400 [thread overview]
Message-ID: <20150508224135.GA25762@flamenco> (raw)
In-Reply-To: <1431118934-20900-6-git-send-email-cota@braap.org>
On Fri, May 08, 2015 at 17:02:11 -0400, Emilio G. Cota wrote:
> +++ b/aie.c
(snip)
> +static inline void *aie_entry_init(unsigned long index)
> +{
> + AIEEntry *entry;
> +
> + entry = qemu_memalign(64, sizeof(*entry));
> + tiny_set_init(&entry->ts);
> + qemu_mutex_init(&entry->lock);
> + return entry;
> +}
> +
> +AIEEntry *aie_entry_get_lock(hwaddr addr)
> +{
> + aie_addr_t laddr = to_aie(addr);
> + AIEEntry *e;
> +
> + e = qemu_radix_tree_find_alloc(&aie_rtree, laddr, aie_entry_init, g_free);
s/g_free/qemu_vfree/, since the allocation is done (above) with
qemu_memalign.
The tree doesn't support deletions, but still..
Emilio
next prev parent reply other threads:[~2015-05-08 22:40 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-08 21:02 [Qemu-devel] [RFC 0/8] Helper-based Atomic Instruction Emulation (AIE) Emilio G. Cota
2015-05-08 21:02 ` [Qemu-devel] [RFC 1/8] cputlb: add physical address to CPUTLBEntry Emilio G. Cota
2015-05-08 21:51 ` Richard Henderson
2015-05-10 8:07 ` Emilio G. Cota
2015-05-08 21:02 ` [Qemu-devel] [RFC 2/8] softmmu: add helpers to get ld/st physical addresses Emilio G. Cota
2015-05-08 21:02 ` [Qemu-devel] [RFC 3/8] tiny_set: add module to test for membership in a tiny set of pointers Emilio G. Cota
2015-05-08 21:02 ` [Qemu-devel] [RFC 4/8] radix-tree: add generic lockless radix tree module Emilio G. Cota
2015-05-08 21:02 ` [Qemu-devel] [RFC 5/8] aie: add module for Atomic Instruction Emulation Emilio G. Cota
2015-05-08 22:41 ` Emilio G. Cota [this message]
2015-05-08 21:02 ` [Qemu-devel] [RFC 6/8] aie: add target helpers Emilio G. Cota
2015-05-08 21:02 ` [Qemu-devel] [RFC 7/8] target-arm: emulate atomic instructions using AIE Emilio G. Cota
2015-05-08 21:02 ` [Qemu-devel] [RFC 8/8] target-i386: " Emilio G. Cota
2015-05-11 16:01 ` [Qemu-devel] [RFC 0/8] Helper-based Atomic Instruction Emulation (AIE) Frederic Konrad
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