add at24 driver

hc

2023-11-06 15ade055295d13f95d49e3d99b09f3bbfb4a43e7

 kernel/arch/arm/kernel/entry-common.S
..
..
@@ -56,7 +56,9 @@
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 	cmp	r2, #TASK_SIZE
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 	blne	addr_limit_check_failed
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 	ldr	r1, [tsk, #TI_FLAGS]		@ re-check for syscall tracing
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-	tst	r1, #_TIF_SYSCALL_WORK | _TIF_WORK_MASK
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+	tst	r1, #((_TIF_SYSCALL_WORK | _TIF_WORK_MASK) & ~_TIF_SECCOMP)
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+	bne	fast_work_pending
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+	tst	r1, #_TIF_SECCOMP
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 	bne	fast_work_pending
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..
..
@@ -93,8 +95,11 @@
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 	cmp	r2, #TASK_SIZE
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 	blne	addr_limit_check_failed
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 	ldr	r1, [tsk, #TI_FLAGS]		@ re-check for syscall tracing
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-	tst	r1, #_TIF_SYSCALL_WORK | _TIF_WORK_MASK
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+	tst	r1, #((_TIF_SYSCALL_WORK | _TIF_WORK_MASK) & ~_TIF_SECCOMP)
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+	bne	do_slower_path
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+	tst	r1, #_TIF_SECCOMP
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 	beq	no_work_pending
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+do_slower_path:
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  UNWIND(.fnend		)
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 ENDPROC(ret_fast_syscall)
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