realtime:documentation:known_limitations
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realtime:documentation:known_limitations [2022/03/14 07:30] bigeasy Removed options from the list which do not apply as of v5.17-rc7-rt13 |
realtime:documentation:known_limitations [2023/09/21 17:37] costa.shul [Disabled CONFIG_ options] CONFIG_NUMA_BALANCING |
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| - | Disabled config options (as of v5.17-rc7-rt13, rt-devel): | + | Disabled config options: |
| - | * CONFIG_TRANSPARENT_HUGEPAGE | + | * [[https://elixir.bootlin.com/linux/latest/A/ident/CONFIG_TRANSPARENT_HUGEPAGE|CONFIG_TRANSPARENT_HUGEPAGE]] |
| + | * [[https://elixir.bootlin.com/linux/latest/A/ident/CONFIG_DRM_I915|CONFIG_DRM_I915]] | ||
| + | * [[https://elixir.bootlin.com/linux/latest/A/ident/CONFIG_NUMA_BALANCING|CONFIG_NUMA_BALANCING]] | ||
| + | * [[https://elixir.bootlin.com/linux/latest/A/ident/CONFIG_LEDS_TRIGGER_CPU|CONFIG_LEDS_TRIGGER_CPU]] | ||
| * CONFIG_KVM_MPIC (powerpc) | * CONFIG_KVM_MPIC (powerpc) | ||
| + | * CONFIG_OPROFILE (until v5.12-rc2-rt1) | ||
| + | * CONFIG_XEN (until v4.18-rc8-rt1) | ||
| + | * CONFIG_X86_POWERNOW_K8 (until v5.2.21-rt13) | ||
| + | * CONFIG_BCACHE (until v5.6.17-rt10) | ||
| + | * CONFIG_HIGHMEM (mips, powerpc, until v5.10-rc1-rt2) | ||
| + | * CONFIG_RT_GROUP_SCHED (until v5.15-rc2-rt3) | ||
| + | * CONFIG_CPUMASK_OFFSTACK (until 5.4.5-rt3) | ||
| ===== Platforms ===== | ===== Platforms ===== | ||
| Line 42: | Line 52: | ||
| ==== EFI ==== | ==== EFI ==== | ||
| - | EFI runtime services are disabled because using them may case high latencies. This includes accessing the RTC device or updating the variables. | + | [[https://elixir.bootlin.com/linux/latest/A/ident/CONFIG_EFI_DISABLE_RUNTIME|EFI runtime services are disabled]] because using them may case high latencies. This includes accessing the RTC device or updating the variables. |
| If you need to use the EFI runtime services add **efi=runtime** to the kernel command line. | If you need to use the EFI runtime services add **efi=runtime** to the kernel command line. | ||
realtime/documentation/known_limitations.txt · Last modified: 2023/10/02 20:16 by costa.shul
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