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Groups > linux.kernel > #1558158
| From | Sudeep Holla <sudeep.holla@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 2/2] arm64: cacheinfo: add support to override cache levels via device tree |
| Date | 2017-01-13 10:40 +0100 |
| Message-ID | <sZ6v0-7Bl-23@gated-at.bofh.it> (permalink) |
| References | <sYSs1-7lL-1@gated-at.bofh.it> <sYSs1-7lL-17@gated-at.bofh.it> <sZ61X-7rG-13@gated-at.bofh.it> |
| Organization | ARM |
On 13/01/17 09:06, Tan Xiaojun wrote: > On 2017/1/13 2:29, Sudeep Holla wrote: >> The cache hierarchy can be identified through Cache Level ID(CLIDR) >> architected system register. However in some cases it will provide >> only the number of cache levels that are integrated into the processor >> itself. In other words, it can't provide any information about the >> caches that are external and/or transparent. >> >> Some platforms require to export the information about all such external >> caches to the userspace applications via the sysfs interface. >> >> This patch adds support to override the cache levels using device tree >> to take such external non-architected caches into account. >> >> Cc: Catalin Marinas <catalin.marinas@arm.com> >> Cc: Will Deacon <will.deacon@arm.com> >> Cc: Mark Rutland <mark.rutland@arm.com> >> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> > > Tested-by: Tan Xiaojun <tanxiaojun@huawei.com> > Thanks for testing. -- Regards, Sudeep
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[PATCH v2 1/2] of: base: add support to find the level of the last cache Sudeep Holla <sudeep.holla@arm.com> - 2017-01-12 19:40 +0100
[PATCH v2 2/2] arm64: cacheinfo: add support to override cache levels via device tree Sudeep Holla <sudeep.holla@arm.com> - 2017-01-12 19:40 +0100
Re: [PATCH v2 2/2] arm64: cacheinfo: add support to override cache levels via device tree Tan Xiaojun <tanxiaojun@huawei.com> - 2017-01-13 10:10 +0100
Re: [PATCH v2 2/2] arm64: cacheinfo: add support to override cache levels via device tree Sudeep Holla <sudeep.holla@arm.com> - 2017-01-13 10:40 +0100
Re: [PATCH v2 1/2] of: base: add support to find the level of the last cache Tan Xiaojun <tanxiaojun@huawei.com> - 2017-01-13 10:10 +0100
Re: [PATCH v2 1/2] of: base: add support to find the level of the last cache Rob Herring <robh+dt@kernel.org> - 2017-01-14 03:50 +0100
Re: [PATCH v2 1/2] of: base: add support to find the level of the last cache Sudeep Holla <sudeep.holla@arm.com> - 2017-01-16 11:40 +0100
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