linux-kernel - Re: [PATCH] memmap: Parse "Reserved" together with "reserved"

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Date:   Wed, 26 Apr 2017 15:28:46 +0800
From:   Dave Young <dyoung@...hat.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Yinghai Lu <yinghai@...nel.org>, Simon Horman <horms@...ge.net.au>,
        kexec@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] memmap: Parse "Reserved" together with "reserved"

On 04/26/17 at 08:22am, Ingo Molnar wrote:
> 
> * Yinghai Lu <yinghai@...nel.org> wrote:
> 
> > For x86 with recent kernel after
> >  commit 640e1b38b0 ("x86/boot/e820: Basic cleanup of e820.c")
> > change "reserved" to "Reserved" in /sys firmware memmap and /proc/iomem.
> > 
> > So here, we add handling for that too.
> > 
> > Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> > 
> > ---
> >  kexec/arch/i386/crashdump-x86.c |    2 ++
> >  kexec/arch/ia64/kexec-ia64.c    |    2 ++
> >  kexec/arch/mips/kexec-mips.c    |    2 ++
> >  kexec/firmware_memmap.c         |    2 ++
> >  4 files changed, 8 insertions(+)
> 
> I'd rather fix the bug I introduced and undo the reserved->Reserved string change 

This patch parses both 'reserved' and 'Reserved' it should be fine, but
reverting the change in kernel sounds better..

> in e820.c: I didn't realize that it's exposed in sysfs and had quasi-ABI 
> consequences for kexec.
> 
> Agreed?
> 
> Thanks,
> 
> 	Ingo
> 
> _______________________________________________
> kexec mailing list
> kexec@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/kexec

Thanks
Dave

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