From: Ingo Molnar <mingo@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>,
"Ahmed S . Darwish" <darwi@linutronix.de>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Ard Biesheuvel <ardb@kernel.org>, Arnd Bergmann <arnd@kernel.org>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H . Peter Anvin" <hpa@zytor.com>,
John Ogness <john.ogness@linutronix.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH 03/15] x86/cpu: Remove CPU_SUP_UMC_32 support
Date: Fri, 25 Apr 2025 10:42:00 +0200 [thread overview]
Message-ID: <20250425084216.3913608-4-mingo@kernel.org> (raw)
In-Reply-To: <20250425084216.3913608-1-mingo@kernel.org>
These are 486 based CPUs.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/Kconfig.cpu | 14 --------------
arch/x86/kernel/cpu/umc.c | 26 --------------------------
2 files changed, 40 deletions(-)
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index f656033b3a8a..df586ff2178f 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -376,20 +376,6 @@ config CPU_SUP_TRANSMETA_32
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
default y
bool "Support Zhaoxin processors" if PROCESSOR_SELECT
diff --git a/arch/x86/kernel/cpu/umc.c b/arch/x86/kernel/cpu/umc.c
deleted file mode 100644
index 65a58a390fc3..000000000000
--- a/arch/x86/kernel/cpu/umc.c
+++ /dev/null
@@ -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);
-
--
2.45.2
next prev parent reply other threads:[~2025-04-25 8:42 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-25 8:41 [RFC PATCH 0/15] x86: Remove support for TSC-less and CX8-less CPUs Ingo Molnar
2025-04-25 8:41 ` [PATCH 01/15] x86/cpu: Remove M486/M486SX/ELAN support Ingo Molnar
2025-04-25 8:41 ` [PATCH 02/15] x86/cpu: Remove CONFIG_MWINCHIP3D/MWINCHIPC6 Ingo Molnar
2025-04-25 8:42 ` Ingo Molnar [this message]
2025-04-25 8:42 ` [PATCH 04/15] x86/cpu: Remove TSC-less CONFIG_M586 support Ingo Molnar
2025-04-25 15:09 ` H. Peter Anvin
2025-04-25 8:42 ` [PATCH 05/15] x86/cpu, x86/platform, watchdog: Remove CONFIG_X86_RDC321X support Ingo Molnar
2025-04-25 8:42 ` [PATCH 06/15] x86/cpu: Remove the CONFIG_X86_INVD_BUG quirk Ingo Molnar
2025-04-25 8:42 ` [PATCH 07/15] x86/cpu, cpufreq: Remove AMD ELAN support Ingo Molnar
2025-04-25 8:42 ` [PATCH 08/15] x86/fpu: Remove MATH_EMULATION and related glue code Ingo Molnar
2025-04-25 8:42 ` [PATCH 09/15] x86/fpu: Remove the 'no387' boot option Ingo Molnar
2025-04-25 8:42 ` [PATCH 10/15] x86/fpu: Remove the math-emu/ FPU emulation library Ingo Molnar
2025-04-25 8:42 ` [PATCH 11/15] x86/cpu: Make CONFIG_X86_TSC unconditional Ingo Molnar
2025-04-25 8:42 ` [PATCH 12/15] x86: Remove !CONFIG_X86_TSC code Ingo Molnar
2025-04-25 8:42 ` [PATCH 13/15] x86/cpu: Make CONFIG_X86_CX8 unconditional Ingo Molnar
2025-04-25 12:10 ` Arnd Bergmann
2025-04-25 15:15 ` H. Peter Anvin
2025-04-25 21:54 ` Arnd Bergmann
2025-04-27 9:25 ` Ingo Molnar
2025-04-27 17:32 ` Arnd Bergmann
2025-04-27 21:26 ` H. Peter Anvin
2025-04-28 9:16 ` Ingo Molnar
2025-04-28 11:21 ` Arnd Bergmann
2025-04-29 10:22 ` Ingo Molnar
2025-04-29 12:10 ` Arnd Bergmann
2025-04-27 8:15 ` Ingo Molnar
2025-04-25 8:42 ` [PATCH 14/15] x86/percpu: Remove !CONFIG_X86_CX8 methods Ingo Molnar
2025-04-25 14:05 ` Uros Bizjak
2025-04-27 7:46 ` [PATCH -v2 " Ingo Molnar
2025-04-25 8:42 ` [PATCH 15/15] x86/atomics: " Ingo Molnar
2025-04-25 13:55 ` Arnd Bergmann
2025-04-25 14:10 ` Uros Bizjak
2025-04-25 15:00 ` Brian Gerst
2025-04-27 8:23 ` Ingo Molnar
2025-04-27 8:26 ` Ingo Molnar
2025-04-27 10:31 ` Uros Bizjak
2025-05-15 8:49 ` Ingo Molnar
2025-04-25 11:13 ` [RFC PATCH 0/15] x86: Remove support for TSC-less and CX8-less CPUs Arnd Bergmann
2025-04-26 8:26 ` Pavel Machek
2025-05-05 8:53 ` Maciej W. Rozycki
2025-05-05 12:48 ` H. Peter Anvin
2025-05-05 13:04 ` Maciej W. Rozycki
2025-05-05 19:57 ` H. Peter Anvin
2025-05-05 20:54 ` Borislav Petkov
2025-05-06 13:51 ` Maciej W. Rozycki
2025-05-06 14:16 ` Borislav Petkov
2025-05-08 14:51 ` Maciej W. Rozycki
2025-05-08 20:11 ` Borislav Petkov
2025-05-12 12:55 ` Maciej W. Rozycki
2025-05-12 13:48 ` Borislav Petkov
2025-05-12 17:29 ` Maciej W. Rozycki
2025-05-13 2:00 ` Linus Torvalds
2025-05-13 3:48 ` H. Peter Anvin
2025-05-13 5:43 ` John Paul Adrian Glaubitz
2025-05-13 21:55 ` Maciej W. Rozycki
2025-05-13 22:02 ` Linus Torvalds
2025-05-13 22:06 ` H. Peter Anvin
2025-05-15 16:32 ` Maciej W. Rozycki
2025-05-06 13:48 ` Maciej W. Rozycki
2025-05-06 13:54 ` John Paul Adrian Glaubitz
2025-05-05 15:59 ` Linus Torvalds
2025-05-06 13:53 ` Maciej W. Rozycki
2025-05-06 16:44 ` H. Peter Anvin
2025-05-06 17:11 ` Linus Torvalds
2025-05-06 17:51 ` H. Peter Anvin
2025-05-08 14:54 ` Maciej W. Rozycki
2025-05-08 14:53 ` Maciej W. Rozycki
2025-05-08 14:51 ` Maciej W. Rozycki
-- strict thread matches above, loose matches on Subject: below --
2025-05-15 8:56 [PATCH -v2 " Ingo Molnar
2025-05-15 8:56 ` [PATCH 03/15] x86/cpu: Remove CPU_SUP_UMC_32 support Ingo Molnar
2025-12-14 8:46 [PATCH -v3 0/15] x86: Remove support for TSC-less and CX8-less CPUs Ingo Molnar
2025-12-14 8:46 ` [PATCH 03/15] x86/cpu: Remove CPU_SUP_UMC_32 support Ingo Molnar
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