diff options
Diffstat (limited to 'debian/patches-rt/riscv-add-PREEMPT_AUTO-support.patch')
| -rw-r--r-- | debian/patches-rt/riscv-add-PREEMPT_AUTO-support.patch | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/debian/patches-rt/riscv-add-PREEMPT_AUTO-support.patch b/debian/patches-rt/riscv-add-PREEMPT_AUTO-support.patch index 60c3bf3aa..0158d653a 100644 --- a/debian/patches-rt/riscv-add-PREEMPT_AUTO-support.patch +++ b/debian/patches-rt/riscv-add-PREEMPT_AUTO-support.patch @@ -1,7 +1,7 @@ From: Jisheng Zhang <jszhang@kernel.org> Date: Tue, 31 Oct 2023 22:35:20 +0800 Subject: [PATCH] riscv: add PREEMPT_AUTO support -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.6/older/patches-6.6.7-rt18.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.8/older/patches-6.8.2-rt11.tar.xz riscv has switched to GENERIC_ENTRY, so adding PREEMPT_AUTO is as simple as adding TIF_ARCH_RESCHED_LAZY related definitions and enabling @@ -16,7 +16,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig -@@ -135,6 +135,7 @@ config RISCV +@@ -142,6 +142,7 @@ config RISCV select HAVE_PERF_USER_STACK_DUMP select HAVE_POSIX_CPU_TIMERS_TASK_WORK select HAVE_PREEMPT_DYNAMIC_KEY if !XIP_KERNEL @@ -26,7 +26,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> select HAVE_RSEQ --- a/arch/riscv/include/asm/thread_info.h +++ b/arch/riscv/include/asm/thread_info.h -@@ -82,6 +82,7 @@ int arch_dup_task_struct(struct task_str +@@ -94,6 +94,7 @@ int arch_dup_task_struct(struct task_str * - pending work-to-be-done flags are in lowest half-word * - other flags in upper half-word(s) */ @@ -34,11 +34,11 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> #define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ -@@ -96,6 +97,7 @@ int arch_dup_task_struct(struct task_str - #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) - #define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL) - #define _TIF_UPROBE (1 << TIF_UPROBE) -+#define _TIF_ARCH_RESCHED_LAZY (1 << TIF_ARCH_RESCHED_LAZY) +@@ -104,6 +105,7 @@ int arch_dup_task_struct(struct task_str + #define TIF_32BIT 11 /* compat-mode 32bit process */ + #define TIF_RISCV_V_DEFER_RESTORE 12 /* restore Vector before returing to user */ - #define _TIF_WORK_MASK \ - (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | _TIF_NEED_RESCHED | \ ++#define _TIF_ARCH_RESCHED_LAZY (1 << TIF_ARCH_RESCHED_LAZY) + #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) + #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) + #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) |