From: Leonardo Bras <leonardo@linux.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
Alexios Zavras <alexios.zavras@intel.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Christophe Leroy <christophe.leroy@c-s.fr>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Enrico Weigelt <info@metux.net>,
Paul Mackerras <paulus@samba.org>,
peterz@infradead.org, Thomas Gleixner <tglx@linutronix.de>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/1] ppc/crash: Reset spinlocks during crash
Date: Wed, 08 Apr 2020 15:00:33 -0300 [thread overview]
Message-ID: <08fd515f1e0925a9d640dffd6a97c3ddbcd0cf18.camel@linux.ibm.com> (raw)
In-Reply-To: <87v9majhh2.fsf@mpe.ellerman.id.au>
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On Wed, 2020-04-08 at 22:21 +1000, Michael Ellerman wrote:
> We should be able to just allocate the rtas_args on the stack, it's only
> ~80 odd bytes. And then we can use rtas_call_unlocked() which doesn't
> take the global lock.
At this point, would it be a problem using kmalloc?
Best regards,
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next prev parent reply other threads:[~2020-04-08 18:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-01 0:00 [PATCH v3 1/1] ppc/crash: Reset spinlocks during crash Leonardo Bras
2020-04-01 3:07 ` kbuild test robot
2020-04-01 9:26 ` Peter Zijlstra
2020-04-01 23:53 ` Leonardo Bras
2020-04-02 11:28 ` Michael Ellerman
2020-04-03 0:37 ` Leonardo Bras
2020-04-03 6:41 ` Nicholas Piggin
2020-04-08 2:36 ` Leonardo Bras
2020-04-08 12:21 ` Michael Ellerman
2020-04-08 16:48 ` Leonardo Bras
2020-04-08 18:00 ` Leonardo Bras [this message]
2020-04-08 22:55 ` Leonardo Bras
2020-04-09 0:27 ` Paul Mackerras
2020-05-12 3:48 ` Leonardo Bras
2020-05-12 10:42 ` Michael Ellerman
2020-04-06 18:46 ` Leonardo Bras
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