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x86/cpu: Remove CPU_SUP_UMC_32 support

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These are 486 based CPUs, which build option (M486) is now gone
upstream.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20250425084216.3913608-4-mingo@kernel.org
This commit is contained in:
Ingo Molnar 2025-04-25 10:42:00 +02:00
parent aaa3c14d11
commit 7d328c5de4
2 changed files with 0 additions and 40 deletions
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14
arch/x86/Kconfig.cpu
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@ -399,20 +399,6 @@ config CPU_SUP_TRANSMETA_32
If unsure, say N. If unsure, say N.
config CPU_SUP_UMC_32
default y
bool "Support UMC processors" if PROCESSOR_SELECT
depends on M486SX || M486 || (EXPERT && !64BIT)
help
This enables detection, tunings and quirks for UMC processors
You need this enabled if you want your kernel to run on a
UMC CPU. Disabling this option on other types of CPUs
makes the kernel a tiny bit smaller. Disabling it on a UMC
CPU might render the kernel unbootable.
If unsure, say N.
config CPU_SUP_ZHAOXIN config CPU_SUP_ZHAOXIN
default y default y
bool "Support Zhaoxin processors" if PROCESSOR_SELECT bool "Support Zhaoxin processors" if PROCESSOR_SELECT

26
arch/x86/kernel/cpu/umc.c
View File

@ -1,26 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <asm/processor.h>
#include "cpu.h"
/*
* UMC chips appear to be only either 386 or 486,
* so no special init takes place.
*/
static const struct cpu_dev umc_cpu_dev = {
.c_vendor = "UMC",
.c_ident = { "UMC UMC UMC" },
.legacy_models = {
{ .family = 4, .model_names =
{
[1] = "U5D",
[2] = "U5S",
}
},
},
.c_x86_vendor = X86_VENDOR_UMC,
};
cpu_dev_register(umc_cpu_dev);