Release 4.18 arch/x86/kernel/platform-quirks.c

// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <linux/init.h>

#include <asm/setup.h>
#include <asm/bios_ebda.h>



void __init x86_early_init_platform_quirks(void)
{
	x86_platform.legacy.i8042 = X86_LEGACY_I8042_EXPECTED_PRESENT;
	x86_platform.legacy.rtc = 1;
	x86_platform.legacy.warm_reset = 1;
	x86_platform.legacy.reserve_bios_regions = 0;
	x86_platform.legacy.devices.pnpbios = 1;

	switch (boot_params.hdr.hardware_subarch) {
	case X86_SUBARCH_PC:
		x86_platform.legacy.reserve_bios_regions = 1;
		break;
	case X86_SUBARCH_XEN:
		x86_platform.legacy.devices.pnpbios = 0;
		x86_platform.legacy.rtc = 0;
		break;
	case X86_SUBARCH_INTEL_MID:
	case X86_SUBARCH_CE4100:
		x86_platform.legacy.devices.pnpbios = 0;
		x86_platform.legacy.rtc = 0;
		x86_platform.legacy.i8042 = X86_LEGACY_I8042_PLATFORM_ABSENT;
		break;
	}

	if (x86_platform.set_legacy_features)
		x86_platform.set_legacy_features();
}

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Jan Kiszka
8
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Ingo Molnar
2
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1
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bool __init x86_pnpbios_disabled(void)
{
	return x86_platform.legacy.devices.pnpbios == 0;
}

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#if defined(CONFIG_PNPBIOS)


bool __init arch_pnpbios_disabled(void)
{
	return x86_pnpbios_disabled();
}
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#endif
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21
11.05%
1
10.00%
Jan Kiszka
8
4.21%
1
10.00%
Ingo Molnar
2
1.05%
1
10.00%
Greg Kroah-Hartman
1
0.53%
1
10.00%
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190
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10
100.00%
Directory: arch/x86/kernel

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