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-rw-r--r--arch/x86/include/asm/microcode.h3
-rw-r--r--arch/x86/kernel/cpu/microcode/amd.c7
-rw-r--r--arch/x86/kernel/cpu/microcode/intel.c17
3 files changed, 0 insertions, 27 deletions
diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index 0c3d3440fe27..7f7800e15ed0 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -32,9 +32,6 @@ enum ucode_state {
};
struct microcode_ops {
- enum ucode_state (*request_microcode_user) (int cpu,
- const void __user *buf, size_t size);
-
enum ucode_state (*request_microcode_fw) (int cpu, struct device *,
bool refresh_fw);
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 8b2fcdfa6d31..5f38dd75cbc5 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -924,12 +924,6 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device,
return ret;
}
-static enum ucode_state
-request_microcode_user(int cpu, const void __user *buf, size_t size)
-{
- return UCODE_ERROR;
-}
-
static void microcode_fini_cpu_amd(int cpu)
{
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
@@ -938,7 +932,6 @@ static void microcode_fini_cpu_amd(int cpu)
}
static struct microcode_ops microcode_amd_ops = {
- .request_microcode_user = request_microcode_user,
.request_microcode_fw = request_microcode_amd,
.collect_cpu_info = collect_cpu_info_amd,
.apply_microcode = apply_microcode_amd,
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index 025c8f0cd948..1fcbd671f1df 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -916,24 +916,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device,
return ret;
}
-static enum ucode_state
-request_microcode_user(int cpu, const void __user *buf, size_t size)
-{
- struct iov_iter iter;
- struct iovec iov;
-
- if (is_blacklisted(cpu))
- return UCODE_NFOUND;
-
- iov.iov_base = (void __user *)buf;
- iov.iov_len = size;
- iov_iter_init(&iter, WRITE, &iov, 1, size);
-
- return generic_load_microcode(cpu, &iter);
-}
-
static struct microcode_ops microcode_intel_ops = {
- .request_microcode_user = request_microcode_user,
.request_microcode_fw = request_microcode_fw,
.collect_cpu_info = collect_cpu_info,
.apply_microcode = apply_microcode_intel,