From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, Borislav Petkov <bp@alien8.de>,
"Chang S. Bae" <chang.seok.bae@intel.com>,
Arjan van de Ven <arjan@linux.intel.com>,
Nikolay Borisov <nik.borisov@suse.com>
Subject: [patch V4 12/30] x86/microcode/intel: Reuse intel_cpu_collect_info()
Date: Mon, 2 Oct 2023 13:59:49 +0200 (CEST) [thread overview]
Message-ID: <20231002115902.741173606@linutronix.de> (raw)
In-Reply-To: 20231002115506.217091296@linutronix.de
No point for an almost duplicate function.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
V2: New patch
---
arch/x86/kernel/cpu/microcode/intel.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -425,21 +425,7 @@ void reload_ucode_intel(void)
static int collect_cpu_info(int cpu_num, struct cpu_signature *csig)
{
- struct cpuinfo_x86 *c = &cpu_data(cpu_num);
- unsigned int val[2];
-
- memset(csig, 0, sizeof(*csig));
-
- csig->sig = cpuid_eax(0x00000001);
-
- if ((c->x86_model >= 5) || (c->x86 > 6)) {
- /* get processor flags from MSR 0x17 */
- rdmsr(MSR_IA32_PLATFORM_ID, val[0], val[1]);
- csig->pf = 1 << ((val[1] >> 18) & 7);
- }
-
- csig->rev = c->microcode;
-
+ intel_collect_cpu_info(csig);
return 0;
}
next prev parent reply other threads:[~2023-10-02 12:00 UTC|newest]
Thread overview: 102+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-02 11:59 [patch V4 00/30] x86/microcode: Cleanup and late loading enhancements Thomas Gleixner
2023-10-02 11:59 ` [patch V4 01/30] x86/microcode/32: Move early loading after paging enable Thomas Gleixner
2023-10-02 11:59 ` [patch V4 02/30] x86/boot/32: Disable stackprotector and tracing for mk_early_pgtbl_32() Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:38 ` tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 03/30] x86/microcode/intel: Rip out mixed stepping support for Intel CPUs Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Ashok Raj
2023-10-02 11:59 ` [patch V4 04/30] x86/microcode/intel: Simplify scan_microcode() Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:38 ` tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 05/30] x86/microcode/intel: Simplify and rename generic_load_microcode() Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:38 ` tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 06/30] x86/microcode/intel: Cleanup code further Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:38 ` tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 07/30] x86/microcode/intel: Simplify early loading Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 08/30] x86/microcode/intel: Save the microcode only after a successful late-load Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:21 ` tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 09/30] x86/microcode/intel: Switch to kvmalloc() Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:21 ` tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 10/30] x86/microcode/intel: Unify microcode apply() functions Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 11/30] x86/microcode/intel: Rework intel_cpu_collect_info() Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` Thomas Gleixner [this message]
2023-10-09 12:29 ` [tip: x86/microcode] x86/microcode/intel: Reuse intel_cpu_collect_info() tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:21 ` tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 13/30] x86/microcode/intel: Rework intel_find_matching_signature() Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:21 ` tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 14/30] x86/microcode/amd: Read revision from hardware in collect_cpu_info_amd() Thomas Gleixner
2023-10-04 8:32 ` Borislav Petkov
2023-10-02 11:59 ` [patch V4 15/30] x86/microcode: Remove pointless apply() invocation Thomas Gleixner
2023-10-06 13:26 ` Borislav Petkov
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 16/30] x86/microcode: Get rid of the schedule work indirection Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 17/30] x86/microcode: Clean up mc_cpu_down_prep() Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:20 ` tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 18/30] x86/microcode: Handle "nosmt" correctly Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:20 ` tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 19/30] x86/microcode: Clarify the late load logic Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:20 ` tip-bot2 for Thomas Gleixner
2023-10-02 11:59 ` [patch V4 20/30] x86/microcode: Sanitize __wait_for_cpus() Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:20 ` tip-bot2 for Thomas Gleixner
2023-10-02 12:00 ` [patch V4 21/30] x86/microcode: Add per CPU result state Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-02 12:00 ` [patch V4 22/30] x86/microcode: Add per CPU control field Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:20 ` tip-bot2 for Thomas Gleixner
2023-10-02 12:00 ` [patch V4 23/30] x86/microcode: Provide new control functions Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:20 ` tip-bot2 for Thomas Gleixner
2023-10-02 12:00 ` [patch V4 24/30] x86/microcode: Replace the all in one rendevouz handler Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] x86/microcode: Replace the all-in-one rendevous handler tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:20 ` tip-bot2 for Thomas Gleixner
2023-10-02 12:00 ` [patch V4 25/30] x86/microcode: Rendezvous and load in NMI Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:20 ` tip-bot2 for Thomas Gleixner
2023-10-02 12:00 ` [patch V4 26/30] x86/microcode: Protect against instrumentation Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:20 ` tip-bot2 for Thomas Gleixner
2023-10-02 12:00 ` [patch V4 27/30] x86/apic: Provide apic_force_nmi_on_cpu() Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:20 ` tip-bot2 for Thomas Gleixner
2023-10-02 12:00 ` [patch V4 28/30] x86/microcode: Handle "offline" CPUs correctly Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-20 11:37 ` tip-bot2 for Thomas Gleixner
2023-10-24 13:20 ` tip-bot2 for Thomas Gleixner
2023-10-02 12:00 ` [patch V4 29/30] x86/microcode: Prepare for minimal revision check Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] " tip-bot2 for Thomas Gleixner
2023-10-02 12:00 ` [patch V4 30/30] x86/microcode/intel: Add a minimum required revision for late-loads Thomas Gleixner
2023-10-09 12:29 ` [tip: x86/microcode] x86/microcode/intel: Add a minimum required revision for late loading tip-bot2 for Ashok Raj
2023-10-20 11:37 ` tip-bot2 for Ashok Raj
2023-10-24 13:20 ` tip-bot2 for Ashok Raj
2023-10-08 8:54 ` [patch V4 00/30] x86/microcode: Cleanup and late loading enhancements Qiuxu Zhuo
2023-10-08 13:08 ` Borislav Petkov
2023-10-09 5:03 ` Zhuo, Qiuxu
2023-10-10 8:00 ` Zhuo, Qiuxu
2023-10-10 8:11 ` Borislav Petkov
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