The following commit has been merged into the x86/microcode branch of tip:
Commit-ID: 7800dda414725c9c8c266ae9b0be811563714e14
Gitweb: https://git.kernel.org/tip/7800dda414725c9c8c266ae9b0be811563714e14
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Tue, 17 Oct 2023 23:23:56 +02:00
Committer: Borislav Petkov (AMD) <bp@xxxxxxxxx>
CommitterDate: Thu, 19 Oct 2023 15:49:50 +02:00
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@xxxxxxxxxxxxx>
Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
Link: https://lore.kernel.org/r/20231017211723.298854846@xxxxxxxxxxxxx
---
arch/x86/kernel/cpu/microcode/core.c | 17 +----------------
arch/x86/kernel/cpu/microcode/internal.h | 1 -
2 files changed, 1 insertion(+), 17 deletions(-)
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 15c5042..37145cf 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 89fbf74..4bef216 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);
|