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- "Moger, Babu"
- "Moger, Babu"
- "Moger, Babu"
- "Moger, Babu"
- "Moger, Babu"
- "Moger, Babu"
- "Moger, Babu"
- "Moger, Babu"
- "Moger, Babu"
- "Moger, Babu"
- "Moger, Babu"
- "Moger, Babu"
- "Moger, Babu"
- "Moger, Babu"
- Pavel Machek
| | | From | "Yu, Fenghua" <> | Subject | RE: [PATCH v7 11/13] arch/x86: Introduce QOS feature for AMD | Date | Tue, 13 Nov 2018 21:49:40 +0000 |
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> From: Moger, Babu [mailto:Babu.Moger@amd.com] > Subject: [PATCH v7 11/13] arch/x86: Introduce QOS feature for AMD > The specification for this feature is available at > https://developer.amd.com/wp-content/resources/56375.pdf
> +bool cbm_validate_amd(char *buf, u32 *data, struct rdt_resource *r) { > + if (val > r->default_ctrl) { > + rdt_last_cmd_puts("mask out of range\n"); > + return false; > + }
If val is zero, then this closid cannot allocate any cache line.
I'm wondering: does that mean the tasks running with this closid directly access memory without cache? Is there any usage for this situation?
Thanks.
-Fenghua
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