From: "Maciej W. Rozycki" <macro@orcam.me.uk>
To: Johan Almbladh <johan.almbladh@anyfinetworks.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
paulburton@kernel.org, kafai@fb.com, songliubraving@fb.com,
yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
chenhuacai@kernel.org, jiaxun.yang@flygoat.com,
yangtiezhu@loongson.cn, tony.ambardar@gmail.com,
bpf@vger.kernel.org, linux-mips@vger.kernel.org,
netdev@vger.kernel.org
Subject: Re: [PATCH 2/7] mips: uasm: Add workaround for Loongson-2F nop CPU errata
Date: Mon, 18 Oct 2021 14:00:27 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.21.2110181359111.31442@angie.orcam.me.uk> (raw)
In-Reply-To: <20211005165408.2305108-3-johan.almbladh@anyfinetworks.com>
On Tue, 5 Oct 2021, Johan Almbladh wrote:
> This patch implements a workaround for the Loongson-2F nop in generated,
> code, if the existing option CONFIG_CPU_NOP_WORKAROUND is set. Before,
> the binutils option -mfix-loongson2f-nop was enabled, but no workaround
> was done when emitting MIPS code. Now, the nop pseudo instruction is
> emitted as "or ax,ax,zero" instead of the default "sll zero,zero,0". This
Confusing typo here, s/ax/at/.
Maciej
next prev parent reply other threads:[~2021-10-18 12:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-05 16:54 [PATCH 0/7] A new eBPF JIT implementation for MIPS Johan Almbladh
2021-10-05 16:54 ` [PATCH 1/7] MIPS: uasm: Enable muhu opcode for MIPS R6 Johan Almbladh
2021-10-05 16:54 ` [PATCH 2/7] mips: uasm: Add workaround for Loongson-2F nop CPU errata Johan Almbladh
2021-10-05 17:59 ` Jiaxun Yang
2021-10-18 12:00 ` Maciej W. Rozycki [this message]
2021-10-18 12:17 ` Johan Almbladh
2021-10-05 16:54 ` [PATCH 3/7] mips: bpf: Add eBPF JIT for 32-bit MIPS Johan Almbladh
2021-10-05 16:54 ` [PATCH 4/7] mips: bpf: Add new eBPF JIT for 64-bit MIPS Johan Almbladh
2021-10-05 16:54 ` [PATCH 5/7] mips: bpf: Add JIT workarounds for CPU errata Johan Almbladh
2021-10-05 18:00 ` Jiaxun Yang
2022-01-07 9:25 ` Huang Pei
2022-01-07 10:17 ` Daniel Borkmann
2021-10-05 16:54 ` [PATCH 6/7] mips: bpf: Enable eBPF JITs Johan Almbladh
2021-10-06 14:10 ` [PATCH 0/7] A new eBPF JIT implementation for MIPS patchwork-bot+netdevbpf
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