From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: YuanJunQing <yuanjunqing66@163.com>
Cc: paulburton@kernel.org, chenhc@lemote.com,
linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
liulichao@loongson.cn
Subject: Re: [PATCH] MIPS: Fix IRQ tracing when call handle_fpe() and handle_msa_fpe()
Date: Wed, 27 May 2020 13:35:27 +0200 [thread overview]
Message-ID: <20200527113527.GE13537@alpha.franken.de> (raw)
In-Reply-To: <20200527061130.15618-1-yuanjunqing66@163.com>
On Wed, May 27, 2020 at 02:11:30PM +0800, YuanJunQing wrote:
> Register "a1" is unsaved in this function,
> when CONFIG_TRACE_IRQFLAGS is enabled,
> the TRACE_IRQS_OFF macro will call trace_hardirqs_off(),
> and this may change register "a1".
> The changed register "a1" as argument will be send
> to do_fpe() and do_msa_fpe().
>
> Signed-off-by: YuanJunQing <yuanjunqing66@163.com>
> ---
> arch/mips/kernel/genex.S | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
applied to mips-next.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
next prev parent reply other threads:[~2020-05-27 11:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-27 6:11 YuanJunQing
2020-05-27 11:35 ` Thomas Bogendoerfer [this message]
2020-05-28 12:35 YuanJunQing
2020-05-28 12:37 ` yuanjunqing
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