[PATCH 1/3] arm64: Add TIF_POLLING_NRFLAG

From: Haris Okanovic
Date: Mon Apr 01 2024 - 21:47:56 EST


TIF_POLLING_NRFLAG was removed from arm64 as there were no polling
idle states. Add back TIF_POLLING_NRFLAG in preparation for an arm64
cpuidle driver which supports polling.

Signed-off-by: Haris Okanovic <harisokn@xxxxxxxxxx>
---
arch/arm64/include/asm/thread_info.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h
index e72a3bf9e563..ab22c7d1967e 100644
--- a/arch/arm64/include/asm/thread_info.h
+++ b/arch/arm64/include/asm/thread_info.h
@@ -81,6 +81,7 @@ void arch_setup_new_exec(void);
#define TIF_SME 27 /* SME in use */
#define TIF_SME_VL_INHERIT 28 /* Inherit SME vl_onexec across exec */
#define TIF_KERNEL_FPSTATE 29 /* Task is in a kernel mode FPSIMD section */
+#define TIF_POLLING_NRFLAG 30

#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
@@ -97,6 +98,7 @@ void arch_setup_new_exec(void);
#define _TIF_SVE (1 << TIF_SVE)
#define _TIF_MTE_ASYNC_FAULT (1 << TIF_MTE_ASYNC_FAULT)
#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL)
+#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)

#define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | \
_TIF_NOTIFY_RESUME | _TIF_FOREIGN_FPSTATE | \
--
2.34.1