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[tip:x86/boot] x86/init: Disable pnpbios for X86_SUBARCH_INTEL_MID

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  [tip:x86/boot] x86/init: Disable pnpbios for X86_SUBARCH_INTEL_MID "tip-bot for Luis R. Rodriguez" <tipbot@zytor.com> - 2016-04-22 12:00 +0200

#1384876 — [tip:x86/boot] x86/init: Disable pnpbios for X86_SUBARCH_INTEL_MID

Commit-ID:  f6935b7bfbf8345bea05f73dc48ce81b70f016e0
Gitweb:     http://git.kernel.org/tip/f6935b7bfbf8345bea05f73dc48ce81b70f016e0
Author:     Luis R. Rodriguez <mcgrof@kernel.org>
AuthorDate: Wed, 13 Apr 2016 17:04:45 -0700
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Fri, 22 Apr 2016 10:29:08 +0200

x86/init: Disable pnpbios for X86_SUBARCH_INTEL_MID

As per hpa Intel MID platforms can also disable pnpbios:

  ttp://lkml.kernel.org/r/5702B5C2.7070101@zytor.com

As per 0-day, this bumps the vmlinux size using i386-tinyconfig as
follows:

 TOTAL   TEXT   init.text   x86_early_init_platform_quirks()
    -8     -8   -8          -8

Suggested-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: andrew.cooper3@citrix.com
Cc: andriy.shevchenko@linux.intel.com
Cc: bigeasy@linutronix.de
Cc: boris.ostrovsky@oracle.com
Cc: david.vrabel@citrix.com
Cc: ffainelli@freebox.fr
Cc: george.dunlap@citrix.com
Cc: glin@suse.com
Cc: jgross@suse.com
Cc: jlee@suse.com
Cc: josh@joshtriplett.org
Cc: julien.grall@linaro.org
Cc: konrad.wilk@oracle.com
Cc: kozerkov@parallels.com
Cc: lenb@kernel.org
Cc: lguest@lists.ozlabs.org
Cc: linux-acpi@vger.kernel.org
Cc: lv.zheng@intel.com
Cc: matt@codeblueprint.co.uk
Cc: mbizon@freebox.fr
Cc: rjw@rjwysocki.net
Cc: robert.moore@intel.com
Cc: rusty@rustcorp.com.au
Cc: tiwai@suse.de
Cc: toshi.kani@hp.com
Cc: xen-devel@lists.xensource.com
Link: http://lkml.kernel.org/r/1460592286-300-16-git-send-email-mcgrof@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/kernel/platform-quirks.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/kernel/platform-quirks.c b/arch/x86/kernel/platform-quirks.c
index ab64382..8539194 100644
--- a/arch/x86/kernel/platform-quirks.c
+++ b/arch/x86/kernel/platform-quirks.c
@@ -16,10 +16,8 @@ void __init x86_early_init_platform_quirks(void)
 		break;
 	case X86_SUBARCH_XEN:
 	case X86_SUBARCH_LGUEST:
-		x86_platform.legacy.devices.pnpbios = 0;
-		x86_platform.legacy.rtc = 0;
-		break;
 	case X86_SUBARCH_INTEL_MID:
+		x86_platform.legacy.devices.pnpbios = 0;
 		x86_platform.legacy.rtc = 0;
 		break;
 	}

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