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-rw-r--r--arch/sparc/Kconfig1
-rw-r--r--arch/sparc/include/asm/mmu_context_32.h10
-rw-r--r--arch/sparc/include/asm/mmu_context_64.h10
-rw-r--r--arch/sparc/include/asm/thread_info_32.h4
-rw-r--r--arch/sparc/include/asm/thread_info_64.h6
-rw-r--r--arch/sparc/kernel/signal_32.c2
-rw-r--r--arch/sparc/kernel/signal_64.c2
7 files changed, 18 insertions, 17 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 85ac956dd5f8..c9c34dc52b7d 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -39,7 +39,6 @@ config SPARC
select HAVE_EBPF_JIT if SPARC64
select HAVE_DEBUG_BUGVERBOSE
select GENERIC_SMP_IDLE_THREAD
- select GENERIC_CLOCKEVENTS
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select MODULES_USE_ELF_RELA
diff --git a/arch/sparc/include/asm/mmu_context_32.h b/arch/sparc/include/asm/mmu_context_32.h
index 7ddcb8badf70..509043f81560 100644
--- a/arch/sparc/include/asm/mmu_context_32.h
+++ b/arch/sparc/include/asm/mmu_context_32.h
@@ -6,13 +6,10 @@
#include <asm-generic/mm_hooks.h>
-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
/* Initialize a new mmu context. This is invoked when a new
* address space instance (unique or shared) is instantiated.
*/
+#define init_new_context init_new_context
int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
/* Destroy a dead context. This occurs when mmput drops the
@@ -20,17 +17,18 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
* all the page tables have been flushed. Our job is to destroy
* any remaining processor-specific state.
*/
+#define destroy_context destroy_context
void destroy_context(struct mm_struct *mm);
/* Switch the current MM context. */
void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm,
struct task_struct *tsk);
-#define deactivate_mm(tsk,mm) do { } while (0)
-
/* Activate a new MM instance for the current task. */
#define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL)
+#include <asm-generic/mmu_context.h>
+
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC_MMU_CONTEXT_H) */
diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h
index 312fcee8df2b..7a8380c63aab 100644
--- a/arch/sparc/include/asm/mmu_context_64.h
+++ b/arch/sparc/include/asm/mmu_context_64.h
@@ -16,17 +16,16 @@
#include <asm-generic/mm_hooks.h>
#include <asm/percpu.h>
-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
extern spinlock_t ctx_alloc_lock;
extern unsigned long tlb_context_cache;
extern unsigned long mmu_context_bmap[];
DECLARE_PER_CPU(struct mm_struct *, per_cpu_secondary_mm);
void get_new_mmu_context(struct mm_struct *mm);
+
+#define init_new_context init_new_context
int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
+#define destroy_context destroy_context
void destroy_context(struct mm_struct *mm);
void __tsb_context_switch(unsigned long pgd_pa,
@@ -136,7 +135,6 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str
spin_unlock_irqrestore(&mm->context.lock, flags);
}
-#define deactivate_mm(tsk,mm) do { } while (0)
#define activate_mm(active_mm, mm) switch_mm(active_mm, mm, NULL)
#define __HAVE_ARCH_START_CONTEXT_SWITCH
@@ -187,6 +185,8 @@ static inline void finish_arch_post_lock_switch(void)
}
}
+#include <asm-generic/mmu_context.h>
+
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC64_MMU_CONTEXT_H) */
diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
index 548b366165dd..45b4955b253f 100644
--- a/arch/sparc/include/asm/thread_info_32.h
+++ b/arch/sparc/include/asm/thread_info_32.h
@@ -104,6 +104,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define TIF_SIGPENDING 2 /* signal pending */
#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
#define TIF_RESTORE_SIGMASK 4 /* restore signal mask in do_signal() */
+#define TIF_NOTIFY_SIGNAL 5 /* signal notifications exist */
#define TIF_USEDFPU 8 /* FPU was used by this task
* this quantum (SMP) */
#define TIF_POLLING_NRFLAG 9 /* true if poll_idle() is polling
@@ -115,11 +116,12 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
+#define _TIF_NOTIFY_SIGNAL (1<<TIF_NOTIFY_SIGNAL)
#define _TIF_USEDFPU (1<<TIF_USEDFPU)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | \
- _TIF_SIGPENDING)
+ _TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL)
#define is_32bit_task() (1)
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 20255471e653..42cd4cd3892e 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -180,7 +180,7 @@ extern struct thread_info *current_thread_info(void);
#define TIF_NOTIFY_RESUME 1 /* callback before returning to user */
#define TIF_SIGPENDING 2 /* signal pending */
#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
-/* flag bit 4 is available */
+#define TIF_NOTIFY_SIGNAL 4 /* signal notifications exist */
#define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */
#define TIF_UPROBE 6 /* breakpointed or singlestepped */
#define TIF_32BIT 7 /* 32-bit binary */
@@ -200,6 +200,7 @@ extern struct thread_info *current_thread_info(void);
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
+#define _TIF_NOTIFY_SIGNAL (1<<TIF_NOTIFY_SIGNAL)
#define _TIF_UNALIGNED (1<<TIF_UNALIGNED)
#define _TIF_UPROBE (1<<TIF_UPROBE)
#define _TIF_32BIT (1<<TIF_32BIT)
@@ -213,7 +214,8 @@ extern struct thread_info *current_thread_info(void);
_TIF_DO_NOTIFY_RESUME_MASK | \
_TIF_NEED_RESCHED)
#define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | \
- _TIF_SIGPENDING | _TIF_UPROBE)
+ _TIF_SIGPENDING | _TIF_UPROBE | \
+ _TIF_NOTIFY_SIGNAL)
#define is_32bit_task() (test_thread_flag(TIF_32BIT))
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 741d0701003a..11cf2281b581 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -521,7 +521,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
unsigned long thread_info_flags)
{
- if (thread_info_flags & _TIF_SIGPENDING)
+ if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
do_signal(regs, orig_i0);
if (thread_info_flags & _TIF_NOTIFY_RESUME)
tracehook_notify_resume(regs);
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index f7ef7edcd5c1..a0eec62c825d 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -549,7 +549,7 @@ void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long
user_exit();
if (thread_info_flags & _TIF_UPROBE)
uprobe_notify_resume(regs);
- if (thread_info_flags & _TIF_SIGPENDING)
+ if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
do_signal(regs, orig_i0);
if (thread_info_flags & _TIF_NOTIFY_RESUME)
tracehook_notify_resume(regs);
generated by cgit v1.2.3 (git 2.46.0) at 2025-04-26 04:28:23 +0000