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Message-Id: <1413387506-5269-1-git-send-email-jarkko.sakkinen@linux.intel.com>
Date: Wed, 15 Oct 2014 17:38:26 +0200
From: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>
Cc: x86@...nel.org, linux-kernel@...r.kernel.org,
Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Subject: [PATCH] arch/x86/realmode: make trampoline code conditional for x86-32
Trampoline code is only needed for SMP and in x86-64 for wakeup
code. Make it conditional in order to minimize the kernel size.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
---
arch/x86/realmode/rm/Makefile | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile
index 7c0d7be..82b7312 100644
--- a/arch/x86/realmode/rm/Makefile
+++ b/arch/x86/realmode/rm/Makefile
@@ -20,7 +20,11 @@ wakeup-objs += video-vesa.o
wakeup-objs += video-bios.o
realmode-y += header.o
+ifdef CONFIG_X86_64
realmode-y += trampoline_$(BITS).o
+else
+realmode-$(CONFIG_SMP) += trampoline_$(BITS).o
+endif
realmode-y += stack.o
realmode-y += reboot.o
realmode-$(CONFIG_ACPI_SLEEP) += $(wakeup-objs)
--
2.1.0
--
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