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From: Geoff Levand <geoff@infradead.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
	Arnd Bergmann <arnd@kernel.org>
Cc: llvm@lists.linux.dev, Kevin Hao <haokexin@gmail.com>,
	Arnd Bergmann <arnd@arndb.de>,
	"Aneesh Kumar K.V" <aneesh.kumar@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	linux-kernel@vger.kernel.org, Nicholas Piggin <npiggin@gmail.com>,
	Nathan Chancellor <nathan@kernel.org>,
	"Naveen N. Rao" <naveen.n.rao@linux.ibm.com>,
	Justin Stitt <justinstitt@google.com>,
	Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>,
	linuxppc-dev@lists.ozlabs.org, Bill Wendling <morbo@google.com>
Subject: Re: [PATCH] powerpc: ps3: mark ps3_notification_device static for stack usage
Date: Thu, 21 Mar 2024 18:32:25 +0900	[thread overview]
Message-ID: <ec1b6bdf-1676-48fb-99f0-a8cc2a99dd17@infradead.org> (raw)
In-Reply-To: <CAMuHMdW41e+DSBKBgugTkjoLy6bXfji-KWmB_d9EstEv01eC6w@mail.gmail.com>

Hi Geert,

On 3/21/24 17:32, Geert Uytterhoeven wrote:
>>  static int ps3_probe_thread(void *data)
>>  {
>> -       struct ps3_notification_device dev;
>> +       static struct ps3_notification_device dev;
>>         int res;
>>         unsigned int irq;
>>         u64 lpar;
> 
> Making it static increases kernel size for everyone.  So I'd rather
> allocate it dynamically. The thread already allocates a buffer, which
> can be replaced at no cost by allocating a structure containing both
> the ps3_notification_device and the buffer.

This seems like a much better solution.

-Geoff



  reply	other threads:[~2024-03-21  9:33 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-20 18:03 [PATCH] powerpc: ps3: mark ps3_notification_device static for stack usage Arnd Bergmann
2024-03-21  0:03 ` Geoff Levand
2024-03-21  8:32 ` Geert Uytterhoeven
2024-03-21  9:32   ` Geoff Levand [this message]
2024-03-22  8:34   ` Geoff Levand
2024-03-22 20:24     ` Arnd Bergmann
2024-03-24  1:19       ` Geoff Levand
2024-03-24  1:23 ` [PATCH] powerpc: Fix PS3 allmodconfig warning Geoff Levand
2024-04-01  7:08   ` [PATCH v2] " Geoff Levand
2024-04-22  8:16     ` Michael Ellerman

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