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Patch in this message | | | From | "Moger, Babu" <> | Subject | [PATCH v6 09/14] arch/x86: Add vendor check for MBA software controller | Date | Tue, 6 Nov 2018 15:41:17 +0000 |
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MBA software controller support is available only on Intel.
Suggested-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Babu Moger <babu.moger@amd.com> --- arch/x86/kernel/cpu/resctrl_rdtgroup.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/resctrl_rdtgroup.c b/arch/x86/kernel/cpu/resctrl_rdtgroup.c index 8b6b4a8bb7ca..022a56096024 100644 --- a/arch/x86/kernel/cpu/resctrl_rdtgroup.c +++ b/arch/x86/kernel/cpu/resctrl_rdtgroup.c @@ -1878,7 +1878,10 @@ static int parse_rdtgroupfs_options(char *data) if (ret) goto out; } else if (!strcmp(token, "mba_MBps")) { - ret = set_mba_sc(true); + if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) + ret = set_mba_sc(true); + else + ret = -EINVAL; if (ret) goto out; } else { -- 2.17.1
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