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| author |   Diana Craciun <diana.craciun@nxp.com> | 2018-07-28 09:06:36 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2018-08-08 00:32:24 +1000 |
| commit | 406d2b6ae3420f5bb2b3db6986dc6f0b6dbb637b (patch) | |
| tree | f94d12d30bb0838aa17a7b51fe10b88dae03d315 | |
| parent | powerpc/64: Call setup_barrier_nospec() from setup_arch() (diff) | |
| download | linux-dev-406d2b6ae3420f5bb2b3db6986dc6f0b6dbb637b.tar.xz linux-dev-406d2b6ae3420f5bb2b3db6986dc6f0b6dbb637b.zip | |
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 <diana.craciun@nxp.com>
[mpe: Split out of larger patch]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/kernel/security.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c index 8ee1ade845c6..206488603b66 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) { |