From: Alexander Graf <agraf@suse.de>
To: Andreas Schwab <schwab@redhat.com>
Cc: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH] powerpc: Don't export cvt_fd & _df when CONFIG_PPC_FPU is not set
Date: Mon, 31 May 2010 17:52:29 +0200 [thread overview]
Message-ID: <4C03DB3D.7090007@suse.de> (raw)
In-Reply-To: <m3ljb0tn2l.fsf@hase.home>
Andreas Schwab wrote:
> Alexander Graf <agraf@suse.de> writes:
>
>
>> On 31.05.2010, at 04:00, Benjamin Herrenschmidt wrote:
>>
>>
>>> On Mon, 2010-05-31 at 11:50 +1000, Benjamin Herrenschmidt wrote:
>>>
>>>> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>>>> ---
>>>> arch/powerpc/kernel/ppc_ksyms.c | 2 +-
>>>> 1 files changed, 1 insertions(+), 1 deletions(-)
>>>>
>>> Alex, this is just a temporary fix to remove the build breakage for 40x
>>> etc... but please, update KVM to just build-in its own.
>>>
>> What's the bad part in reusing the existing code?
>>
>
> The bad part is that KVM is wasting a ridiculous amount of stack space
> by allocating multiple instances of struct task_struct on it. I have a
> patch removing all of it, but I haven't tested it yet.
>
Mind to send it over so I can take a look at it :)? Getting rid of the
task_struct structs lying in the stack is certainly a good idea.
Alex
next prev parent reply other threads:[~2010-05-31 15:52 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-31 1:50 [PATCH] powerpc: Don't export cvt_fd & _df when CONFIG_PPC_FPU is not set Benjamin Herrenschmidt
2010-05-31 2:00 ` Benjamin Herrenschmidt
2010-05-31 9:33 ` Alexander Graf
2010-05-31 9:52 ` Andreas Schwab
2010-05-31 15:52 ` Alexander Graf [this message]
[not found] ` <4C03DB3D.7090007__38063.9078132392$1275321190$gmane$org@suse.de>
2010-05-31 18:06 ` Andreas Schwab
2010-05-31 18:52 ` Alexander Graf
2010-06-01 9:31 ` Benjamin Herrenschmidt
[not found] ` <1275384716.1931.711.camel__10281.3212587082$1275384770$gmane$org@pasglop>
2010-06-01 9:36 ` Andreas Schwab
2010-06-01 9:46 ` Benjamin Herrenschmidt
[not found] ` <1275385607.1931.712.camel__30394.2679115154$1275385651$gmane$org@pasglop>
2010-06-01 15:58 ` [PATCH] macio: don't dereference pointer before null check Andreas Schwab
[not found] ` <m3mxvfrt5n.fsf__49359.5060579993$1275385036$gmane$org@hase.home>
2010-06-01 18:58 ` [PATCH] powerpc: Don't export cvt_fd & _df when CONFIG_PPC_FPU is not set Andreas Schwab
2010-06-02 7:11 ` Benjamin Herrenschmidt
2010-05-31 10:24 ` Benjamin Herrenschmidt
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