diff options
| author | Mark Brown <broonie@kernel.org> | 2025-10-21 19:05:19 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-10-21 19:05:19 +0100 |
| commit | 2880c42a0de68e9eb979e5331fbd5b2c79e093ad (patch) | |
| tree | 5d1637310889839165d9ae9594868c76a6c53808 /arch/x86/kernel/cpu/resctrl/monitor.c | |
| parent | ecba655bf54a661ffe078856cd8dbc898270e4b5 (diff) | |
| parent | 6658472a3e2de08197acfe099ba71ee0e2505ecf (diff) | |
ASoC: amd: ps: Propagate the PCI subsystem Vendor and
Merge series from Simon Trimmer <simont@opensource.cirrus.com>:
This series of two patches propagates the PCI subsystem Vendor and Device
IDs so that they can be used by component drivers to differentiate
firmware loads.
Diffstat (limited to 'arch/x86/kernel/cpu/resctrl/monitor.c')
| -rw-r--r-- | arch/x86/kernel/cpu/resctrl/monitor.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c index c8945610d455..2cd25a0d4637 100644 --- a/arch/x86/kernel/cpu/resctrl/monitor.c +++ b/arch/x86/kernel/cpu/resctrl/monitor.c @@ -242,7 +242,9 @@ int resctrl_arch_rmid_read(struct rdt_resource *r, struct rdt_mon_domain *d, u32 unused, u32 rmid, enum resctrl_event_id eventid, u64 *val, void *ignored) { + struct rdt_hw_mon_domain *hw_dom = resctrl_to_arch_mon_dom(d); int cpu = cpumask_any(&d->hdr.cpu_mask); + struct arch_mbm_state *am; u64 msr_val; u32 prmid; int ret; @@ -251,12 +253,16 @@ int resctrl_arch_rmid_read(struct rdt_resource *r, struct rdt_mon_domain *d, prmid = logical_rmid_to_physical_rmid(cpu, rmid); ret = __rmid_read_phys(prmid, eventid, &msr_val); - if (ret) - return ret; - *val = get_corrected_val(r, d, rmid, eventid, msr_val); + if (!ret) { + *val = get_corrected_val(r, d, rmid, eventid, msr_val); + } else if (ret == -EINVAL) { + am = get_arch_mbm_state(hw_dom, rmid, eventid); + if (am) + am->prev_msr = 0; + } - return 0; + return ret; } static int __cntr_id_read(u32 cntr_id, u64 *val) |