Re: [PATCH v6 3/8] riscv: Add support for srmcfg CSR from Ssqosid extension
Paul Walmsley <[email protected]> Wed, 5 Aug 2026 19:21:02 -0600 (MDT)
| Newsgroups | dev.linux.lists.linux-rt-devel,org.infradead.lists.linux-riscv,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel |
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| Message-ID | <[email protected]> |
On Wed, 5 Aug 2026, Drew Fustini wrote: > Thanks for queuing this patch. It is okay to leave out the READ_ONCE() > since only Patches 1-3 are being applied. > > The READ_ONCE() is meant to pair with the WRITE_ONCE() in > resctrl_arch_set_closid_rmid(), which comes in patch 5. RCID and MCID > share the srmcfg csr, and resctrl can update thread.srmcfg from another > hart while this task is switched in. OK thanks, that makes sense; I've put it back. - Paul