From: Diana Craciun Date: Fri, 27 Jul 2018 23:06:36 +0000 (+1000) Subject: powerpc/64: Make meltdown reporting Book3S 64 specific X-Git-Tag: v4.19~294^2~74 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=406d2b6ae3420f5bb2b3db6986dc6f0b6dbb637b;p=platform%2Fkernel%2Flinux-rpi.git powerpc/64: Make meltdown reporting Book3S 64 specific In a subsequent patch we will enable building security.c for Book3E. However the NXP platforms are not vulnerable to Meltdown, so make the Meltdown vulnerability reporting PPC_BOOK3S_64 specific. Signed-off-by: Diana Craciun [mpe: Split out of larger patch] Signed-off-by: Michael Ellerman --- diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c index 8ee1ade..2064886 100644 --- a/arch/powerpc/kernel/security.c +++ b/arch/powerpc/kernel/security.c @@ -92,6 +92,7 @@ static __init int barrier_nospec_debugfs_init(void) device_initcall(barrier_nospec_debugfs_init); #endif /* CONFIG_DEBUG_FS */ +#ifdef CONFIG_PPC_BOOK3S_64 ssize_t cpu_show_meltdown(struct device *dev, struct device_attribute *attr, char *buf) { bool thread_priv; @@ -124,6 +125,7 @@ ssize_t cpu_show_meltdown(struct device *dev, struct device_attribute *attr, cha return sprintf(buf, "Vulnerable\n"); } +#endif ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, char *buf) {