** Description changed: [Impact] Starting in resolute, the patches from the PREEMPT_RT patchset will be applied to generic so they can be inherited by derivative kernels and flavors that need real-time. This set of patches will be filtered to only ones that apply where we support real-time, including amd64 and arm64. [Fix] - For kernel 7.0, the PREEMPT_RT patchset 7.0-rc1-rt1 has been released. - These patches will be applied to resolute:linux (but disabled there) and - inherited by other kernels. These patches include the following: + For kernel 7.0, the upstream PREEMPT_RT patchset 7.0-rc1-rt1 has been + released. These patches will be applied to resolute:linux (but with + CONFIG_PREEMPT_RT disabled there) and inherited by other kernels. These + patches include the following: fd10f6d5f5a8 UBUNTU: Real-time patchset 7.0-rc1-rt1 8099fd2babfa UBUNTU: SAUCE: sysfs: Add /sys/kernel/realtime entry fc4e44433fd9 UBUNTU: SAUCE: Revert "drm/i915: Depend on !PREEMPT_RT." 3bf18cf5f511 UBUNTU: SAUCE: drm/i915: Consider RCU read section as atomic. 2c7e48504f38 UBUNTU: SAUCE: drm/i915/guc: Consider also RCU depth in busy loop. 734d597c4752 UBUNTU: SAUCE: drm/i915: Drop the irqs_disabled() check d8eab13bf071 UBUNTU: SAUCE: drm/i915/gt: Use spin_lock_irq() instead of local_irq_disable() + spin_lock() 300391c5ec24 UBUNTU: SAUCE: drm/i915: Disable tracing points on PREEMPT_RT 66005b33c9fa UBUNTU: SAUCE: drm/i915: Don't disable interrupts on PREEMPT_RT during atomic updates 27bd7c1e7d3a UBUNTU: SAUCE: drm/i915: Use preempt_disable/enable_rt() where recommended c8a75e301ee4 UBUNTU: SAUCE: Reapply "serial: 8250: Revert "drop lockdep annotation from serial8250_clear_IER()"" 56749156e779 UBUNTU: SAUCE: Reapply "serial: 8250: Switch to nbcon console" [Test Case] - Compile and boot test. Kernel team regression testing. + Compile and boot test [Where things could go wrong] These patches primarily apply to the 8250 serial driver and Intel i915 drm driver, so they may cause minor performance differences in these drivers even when PREEMPT_RT is disabled.
** Description changed: [Impact] Starting in resolute, the patches from the PREEMPT_RT patchset will be applied to generic so they can be inherited by derivative kernels and flavors that need real-time. This set of patches will be filtered to only ones that apply where we support real-time, including amd64 and arm64. [Fix] For kernel 7.0, the upstream PREEMPT_RT patchset 7.0-rc1-rt1 has been released. These patches will be applied to resolute:linux (but with CONFIG_PREEMPT_RT disabled there) and inherited by other kernels. These patches include the following: - fd10f6d5f5a8 UBUNTU: Real-time patchset 7.0-rc1-rt1 - 8099fd2babfa UBUNTU: SAUCE: sysfs: Add /sys/kernel/realtime entry - fc4e44433fd9 UBUNTU: SAUCE: Revert "drm/i915: Depend on !PREEMPT_RT." - 3bf18cf5f511 UBUNTU: SAUCE: drm/i915: Consider RCU read section as atomic. - 2c7e48504f38 UBUNTU: SAUCE: drm/i915/guc: Consider also RCU depth in busy loop. - 734d597c4752 UBUNTU: SAUCE: drm/i915: Drop the irqs_disabled() check - d8eab13bf071 UBUNTU: SAUCE: drm/i915/gt: Use spin_lock_irq() instead of local_irq_disable() + spin_lock() - 300391c5ec24 UBUNTU: SAUCE: drm/i915: Disable tracing points on PREEMPT_RT - 66005b33c9fa UBUNTU: SAUCE: drm/i915: Don't disable interrupts on PREEMPT_RT during atomic updates - 27bd7c1e7d3a UBUNTU: SAUCE: drm/i915: Use preempt_disable/enable_rt() where recommended - c8a75e301ee4 UBUNTU: SAUCE: Reapply "serial: 8250: Revert "drop lockdep annotation from serial8250_clear_IER()"" - 56749156e779 UBUNTU: SAUCE: Reapply "serial: 8250: Switch to nbcon console" + UBUNTU: Real-time patchset 7.0-rc1-rt1 + UBUNTU: SAUCE: sysfs: Add /sys/kernel/realtime entry + UBUNTU: SAUCE: Revert "drm/i915: Depend on !PREEMPT_RT." + UBUNTU: SAUCE: drm/i915: Consider RCU read section as atomic. + UBUNTU: SAUCE: drm/i915/guc: Consider also RCU depth in busy loop. + UBUNTU: SAUCE: drm/i915: Drop the irqs_disabled() check + UBUNTU: SAUCE: drm/i915/gt: Use spin_lock_irq() instead of local_irq_disable() + spin_lock() + UBUNTU: SAUCE: drm/i915: Disable tracing points on PREEMPT_RT + UBUNTU: SAUCE: drm/i915: Don't disable interrupts on PREEMPT_RT during atomic updates + UBUNTU: SAUCE: drm/i915: Use preempt_disable/enable_rt() where recommended + UBUNTU: SAUCE: Reapply "serial: 8250: Revert "drop lockdep annotation from serial8250_clear_IER()"" + UBUNTU: SAUCE: Reapply "serial: 8250: Switch to nbcon console" [Test Case] Compile and boot test [Where things could go wrong] These patches primarily apply to the 8250 serial driver and Intel i915 drm driver, so they may cause minor performance differences in these drivers even when PREEMPT_RT is disabled. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2143181 Title: Resolute real-time patchset: 7.0-rc1-rt1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-realtime/+bug/2143181/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
