From: Greg KH <gregkh@linuxfoundation.org>
To: "Bryan O'Donoghue" <bryan.odonoghue.lkml@nexus-software.ie>
Cc: matt@console-pimps.org, matthew.garrett@nebula.com,
linux-efi@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, darren.hart@intel.com,
josh@joshtriplett.org, hpa@zytor.com, mingo@kernel.org,
tglx@linutronix.de
Subject: Re: [PATCH] Remove warning in efi_enter_virtual_mode V2
Date: Thu, 18 Apr 2013 22:58:13 -0700 [thread overview]
Message-ID: <20130419055813.GA16443@kroah.com> (raw)
In-Reply-To: <1366236341-22615-1-git-send-email-bryan.odonoghue.lkml@nexus-software.ie>
On Wed, Apr 17, 2013 at 11:05:41PM +0100, Bryan O'Donoghue wrote:
> Some EFI BIOS stores BGRT data in the wrong place and some EFI based
> BIOS also requires mapping of boot code/data when doing
> efi_enter_virtual_mode.
>
> Current code in efi_enter_virtual_mode maps both EFI_RUNTIME_MEMORY and
> BIOS boot code/data.
>
> This patch gives the option to switch off that behavior - if your BIOS
> has neither BGRT - nor bugs that require mapping of EFI boot code/data
No, never add new boot options, no users, or distros, know to set them.
Isn't there some way we can dynamically determine this instead?
thanks,
greg k-h
next prev parent reply other threads:[~2013-04-19 5:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-17 22:05 [PATCH] Remove warning in efi_enter_virtual_mode V2 Bryan O'Donoghue
2013-04-19 5:58 ` Greg KH [this message]
2013-04-19 6:00 ` H. Peter Anvin
2013-04-19 6:11 ` Greg KH
2013-04-19 6:17 ` H. Peter Anvin
2013-04-19 11:15 ` Bryan O'Donoghue
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