From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 5 Jun 2018 22:47:10 +0000 (+0200)
Subject: x86/cpu/AMD: Remove the pointless detect_ht() call
X-Git-Tag: v4.1.12-124.31.3~656
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=d74fd020ce8dc72d27b89de51febc34fcfda9120;p=users%2Fjedix%2Flinux-maple.git

x86/cpu/AMD: Remove the pointless detect_ht() call

Real 32bit AMD CPUs do not have SMT and the only value of the call was to
reach the magic printout which got removed.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Ingo Molnar <mingo@kernel.org>

Orabug: 28220674
CVE: CVE-2018-3620

(cherry picked from commit 44ca36de56d1bf196dca2eb67cd753a46961ffe6)

Signed-off-by: Mihai Carabas <mihai.carabas@oracle.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
---

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 1890a4b4bb26..ff68fddb290f 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -723,10 +723,6 @@ static void init_amd(struct cpuinfo_x86 *c)
 		srat_detect_node(c);
 	}
 
-#ifdef CONFIG_X86_32
-	detect_ht(c);
-#endif
-
 	init_amd_cacheinfo(c);
 
 	if (c->x86 >= 0xf)