linux-kernel - Re: [PATCH AUTOSEL 5.0 008/262] swiotlb: add checks for the return value of memblock

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Date:   Wed, 3 Apr 2019 20:56:44 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     Mike Rapoport <rppt@...ux.ibm.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Christophe Leroy <christophe.leroy@....fr>,
        Christoph Hellwig <hch@....de>,
        "David S. Miller" <davem@...emloft.net>,
        Dennis Zhou <dennis@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Greentime Hu <green.hu@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Guan Xuetao <gxt@....edu.cn>, Guo Ren <guoren@...nel.org>,
        Guo Ren <ren_guo@...ky.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Juergen Gross <jgross@...e.com>,
        Mark Salter <msalter@...hat.com>,
        Matt Turner <mattst88@...il.com>,
        Max Filippov <jcmvbkbc@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Michal Simek <monstr@...str.eu>,
        Paul Burton <paul.burton@...s.com>,
        Petr Mladek <pmladek@...e.com>,
        Richard Weinberger <richard@....at>,
        Rich Felker <dalias@...c.org>,
        Rob Herring <robh+dt@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Stafford Horne <shorne@...il.com>,
        Tony Luck <tony.luck@...el.com>,
        Vineet Gupta <vgupta@...opsys.com>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        iommu@...ts.linux-foundation.org
Subject: Re: [PATCH AUTOSEL 5.0 008/262] swiotlb: add checks for the return
 value of memblock_alloc*()

On Thu, Mar 28, 2019 at 07:55:20AM +0200, Mike Rapoport wrote:
>Hi,
>
>On Wed, Mar 27, 2019 at 01:57:43PM -0400, Sasha Levin wrote:
>> From: Mike Rapoport <rppt@...ux.ibm.com>
>>
>> [ Upstream commit a0bf842e89a3842162aa8514b9bf4611c86fee10 ]
>>
>> Add panic() calls if memblock_alloc() returns NULL.
>>
>> The panic() format duplicates the one used by memblock itself and in
>> order to avoid explosion with long parameters list replace open coded
>> allocation size calculations with a local variable.
>
>This patch is a part of a series that removes panic() calls from memblock
>allocators rather than a fix.

I've dropped it, thanks!

--
Thanks,
Sasha