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| author | Andrew Jones <[email protected]> | 2022-10-02 10:18:59 +0530 |
|---|---|---|
| committer | Anup Patel <[email protected]> | 2022-10-02 10:18:59 +0530 |
| commit | afd5dde9a186b8fc5742fff707f184760c4af1a9 (patch) | |
| tree | c904eeb853e64c2e09c234412c0a0fe5105fff6a /Documentation/filesystems/caching/backend-api.rst | |
| parent | 1b5cbb8733f924c99bc48a8e4c2a95449f0f514d (diff) | |
RISC-V: KVM: Provide UAPI for Zicbom block size
We're about to allow guests to use the Zicbom extension. KVM
userspace needs to know the cache block size in order to
properly advertise it to the guest. Provide a virtual config
register for userspace to get it with the GET_ONE_REG API, but
setting it cannot be supported, so disallow SET_ONE_REG.
Signed-off-by: Andrew Jones <[email protected]>
Reviewed-by: Conor Dooley <[email protected]>
Reviewed-by: Atish Patra <[email protected]>
Signed-off-by: Anup Patel <[email protected]>
Diffstat (limited to 'Documentation/filesystems/caching/backend-api.rst')
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