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authorThomas Gleixner <tglx@linutronix.de>2023-10-17 23:23:56 +0200
committerBorislav Petkov (AMD) <bp@alien8.de>2023-10-24 15:05:54 +0200
commit8529e8ab6c6fab8ebf06ead98e77d7646b42fc48 (patch)
tree83faa67f238950226319c30d8b9e0bcaae0bfd96 /arch/x86/kernel/cpu/microcode
parent5af05b8d51a8e3ff5905663655c0f46d1aaae44a (diff)
x86/microcode: Mop up early loading leftovers
Get rid of the initrd_gone hack which was required to keep find_microcode_in_initrd() functional after init. As find_microcode_in_initrd() is now only used during init, mark it accordingly. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20231017211723.298854846@linutronix.de
Diffstat (limited to 'arch/x86/kernel/cpu/microcode')
-rw-r--r--arch/x86/kernel/cpu/microcode/core.c17
-rw-r--r--arch/x86/kernel/cpu/microcode/internal.h1
2 files changed, 1 insertions, 17 deletions
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 15c50420da0b..37145cfc9bf6 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -44,8 +44,6 @@
static struct microcode_ops *microcode_ops;
bool dis_ucode_ldr = true;
-bool initrd_gone;
-
/*
* Synchronization.
*
@@ -180,15 +178,7 @@ void load_ucode_ap(void)
}
}
-/* Temporary workaround until find_microcode_in_initrd() is __init */
-static int __init mark_initrd_gone(void)
-{
- initrd_gone = true;
- return 0;
-}
-fs_initcall(mark_initrd_gone);
-
-struct cpio_data find_microcode_in_initrd(const char *path)
+struct cpio_data __init find_microcode_in_initrd(const char *path)
{
#ifdef CONFIG_BLK_DEV_INITRD
unsigned long start = 0;
@@ -216,12 +206,7 @@ struct cpio_data find_microcode_in_initrd(const char *path)
* has the virtual address of the beginning of the initrd. It also
* possibly relocates the ramdisk. In either case, initrd_start contains
* the updated address so use that instead.
- *
- * initrd_gone is for the hotplug case where we've thrown out initrd
- * already.
*/
- if (initrd_gone)
- return (struct cpio_data){ NULL, 0, "" };
if (initrd_start)
start = initrd_start;
diff --git a/arch/x86/kernel/cpu/microcode/internal.h b/arch/x86/kernel/cpu/microcode/internal.h
index 89fbf749dcc6..4bef216f8d6c 100644
--- a/arch/x86/kernel/cpu/microcode/internal.h
+++ b/arch/x86/kernel/cpu/microcode/internal.h
@@ -86,7 +86,6 @@ static inline unsigned int x86_cpuid_family(void)
}
extern bool dis_ucode_ldr;
-extern bool initrd_gone;
#ifdef CONFIG_CPU_SUP_AMD
void load_ucode_amd_bsp(unsigned int family);