From f6935b7bfbf8345bea05f73dc48ce81b70f016e0 Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Wed, 13 Apr 2016 17:04:45 -0700 Subject: [PATCH] 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 Signed-off-by: Luis R. Rodriguez Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Brian Gerst Cc: Denys Vlasenko Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner 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 --- 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 ab643825a7aa..853919484340 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; } -- 2.20.1