linux-kernel - [tip:x86/pti] x86/microcode: Get rid of struct apply_microcode

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Date:   Thu, 8 Mar 2018 01:25:19 -0800
From:   tip-bot for Borislav Petkov <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     thomas.lendacky@....com, ashok.raj@...el.com,
        arjan.van.de.ven@...el.com, linux-kernel@...r.kernel.org,
        hpa@...or.com, tglx@...utronix.de, bp@...e.de, mingo@...nel.org
Subject: [tip:x86/pti] x86/microcode: Get rid of struct apply_microcode_ctx

Commit-ID:  854857f5944c59a881ff607b37ed9ed41d031a3b
Gitweb:     https://git.kernel.org/tip/854857f5944c59a881ff607b37ed9ed41d031a3b
Author:     Borislav Petkov <bp@...e.de>
AuthorDate: Wed, 28 Feb 2018 11:28:40 +0100
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Thu, 8 Mar 2018 10:19:25 +0100

x86/microcode: Get rid of struct apply_microcode_ctx

It is a useless remnant from earlier times. Use the ucode_state enum
directly.

No functional change.

Signed-off-by: Borislav Petkov <bp@...e.de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Tested-by: Tom Lendacky <thomas.lendacky@....com>
Tested-by: Ashok Raj <ashok.raj@...el.com>
Cc: Arjan Van De Ven <arjan.van.de.ven@...el.com>
Link: https://lkml.kernel.org/r/20180228102846.13447-2-bp@alien8.de

---
 arch/x86/kernel/cpu/microcode/core.c | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index aa1b9a422f2b..63370651e376 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -373,26 +373,23 @@ static int collect_cpu_info(int cpu)
 	return ret;
 }
 
-struct apply_microcode_ctx {
-	enum ucode_state err;
-};
-
 static void apply_microcode_local(void *arg)
 {
-	struct apply_microcode_ctx *ctx = arg;
+	enum ucode_state *err = arg;
 
-	ctx->err = microcode_ops->apply_microcode(smp_processor_id());
+	*err = microcode_ops->apply_microcode(smp_processor_id());
 }
 
 static int apply_microcode_on_target(int cpu)
 {
-	struct apply_microcode_ctx ctx = { .err = 0 };
+	enum ucode_state err;
 	int ret;
 
-	ret = smp_call_function_single(cpu, apply_microcode_local, &ctx, 1);
-	if (!ret)
-		ret = ctx.err;
-
+	ret = smp_call_function_single(cpu, apply_microcode_local, &err, 1);
+	if (!ret) {
+		if (err == UCODE_ERROR)
+			ret = 1;
+	}
 	return ret;
 }