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x86/bugs: Rename SSBD_NO to SSB_NO

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commit 240da953fcc6a9008c92fae5b1f727ee5ed167ab upstream

The "336996 Speculative Execution Side Channel Mitigations" from
May defines this as SSB_NO, hence lets sync-up.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Srivatsa S. Bhat <srivatsa@csail.mit.edu>
Reviewed-by: Matt Helsley (VMware) <matt.helsley@gmail.com>
Reviewed-by: Alexey Makhalov <amakhalov@vmware.com>
Reviewed-by: Bo Gan <ganb@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Konrad Rzeszutek Wilk 2018-07-14 02:40:10 -07:00 committed by Greg Kroah-Hartman
parent 48805280d0
commit cadb98135d
2 changed files with 2 additions and 2 deletions
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2
arch/x86/include/asm/msr-index.h
View File

@ -58,7 +58,7 @@
#define MSR_IA32_ARCH_CAPABILITIES 0x0000010a
#define ARCH_CAP_RDCL_NO (1 << 0) /* Not susceptible to Meltdown */
#define ARCH_CAP_IBRS_ALL (1 << 1) /* Enhanced IBRS support */
#define ARCH_CAP_SSBD_NO (1 << 4) /*
#define ARCH_CAP_SSB_NO (1 << 4) /*
* Not susceptible to Speculative Store Bypass
* attack, so no Speculative Store Bypass
* control required.

2
arch/x86/kernel/cpu/common.c
View File

@ -881,7 +881,7 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
rdmsrl(MSR_IA32_ARCH_CAPABILITIES, ia32_cap);
if (!x86_match_cpu(cpu_no_spec_store_bypass) &&
!(ia32_cap & ARCH_CAP_SSBD_NO))
!(ia32_cap & ARCH_CAP_SSB_NO))
setup_force_cpu_bug(X86_BUG_SPEC_STORE_BYPASS);
if (x86_match_cpu(cpu_no_speculation))