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x86/microcode/intel: Remove debug code

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This is really of dubious value.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230812195728.010895747@linutronix.de
This commit is contained in:
Thomas Gleixner
2023-08-12 21:58:49 +02:00
committed by Borislav Petkov (AMD)
parent d02a0efd0f
commit d44450c593
1 changed files with 0 additions and 75 deletions
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arch/x86/kernel/cpu/microcode/intel.c
-75
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@@ -10,15 +10,7 @@
* Copyright (C) 2012 Fenghua Yu <fenghua.yu@intel.com>
* H Peter Anvin" <hpa@zytor.com>
*/
/*
* This needs to be before all headers so that pr_debug in printk.h doesn't turn
* printk calls into no_printk().
*
*#define DEBUG
*/
#define pr_fmt(fmt) "microcode: " fmt
#include <linux/earlycpio.h>
#include <linux/firmware.h>
#include <linux/uaccess.h>
@@ -405,69 +397,6 @@ next:
return patch;
}
static void show_saved_mc(void)
{
#ifdef DEBUG
int i = 0, j;
unsigned int sig, pf, rev, total_size, data_size, date;
struct ucode_cpu_info uci;
struct ucode_patch *p;
if (list_empty(&microcode_cache)) {
pr_debug("no microcode data saved.\n");
return;
}
intel_cpu_collect_info(&uci);
sig = uci.cpu_sig.sig;
pf = uci.cpu_sig.pf;
rev = uci.cpu_sig.rev;
pr_debug("CPU: sig=0x%x, pf=0x%x, rev=0x%x\n", sig, pf, rev);
list_for_each_entry(p, &microcode_cache, plist) {
struct microcode_header_intel *mc_saved_header;
struct extended_sigtable *ext_header;
struct extended_signature *ext_sig;
int ext_sigcount;
mc_saved_header = (struct microcode_header_intel *)p->data;
sig = mc_saved_header->sig;
pf = mc_saved_header->pf;
rev = mc_saved_header->rev;
date = mc_saved_header->date;
total_size = get_totalsize(mc_saved_header);
data_size = intel_microcode_get_datasize(mc_saved_header);
pr_debug("mc_saved[%d]: sig=0x%x, pf=0x%x, rev=0x%x, total size=0x%x, date = %04x-%02x-%02x\n",
i++, sig, pf, rev, total_size,
date & 0xffff,
date >> 24,
(date >> 16) & 0xff);
/* Look for ext. headers: */
if (total_size <= data_size + MC_HEADER_SIZE)
continue;
ext_header = (void *)mc_saved_header + data_size + MC_HEADER_SIZE;
ext_sigcount = ext_header->count;
ext_sig = (void *)ext_header + EXT_HEADER_SIZE;
for (j = 0; j < ext_sigcount; j++) {
sig = ext_sig->sig;
pf = ext_sig->pf;
pr_debug("\tExtended[%d]: sig=0x%x, pf=0x%x\n",
j, sig, pf);
ext_sig++;
}
}
#endif
}
/*
* Save this microcode patch. It will be loaded early when a CPU is
* hot-added or resumes.
@@ -480,7 +409,6 @@ static void save_mc_for_early(struct ucode_cpu_info *uci, u8 *mc, unsigned int s
mutex_lock(&x86_cpu_microcode_mutex);
save_microcode_patch(uci, mc, size);
show_saved_mc();
mutex_unlock(&x86_cpu_microcode_mutex);
}
@@ -631,9 +559,6 @@ int __init save_microcode_in_initrd_intel(void)
intel_cpu_collect_info(&uci);
scan_microcode(cp.data, cp.size, &uci, true);
show_saved_mc();
return 0;
}