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2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/mips/kernel/mips-mt.c
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@@ -119,18 +119,10 @@
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 	local_irq_restore(flags);
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 }
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-static int mt_opt_norps;
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 static int mt_opt_rpsctl = -1;
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 static int mt_opt_nblsu = -1;
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 static int mt_opt_forceconfig7;
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 static int mt_opt_config7 = -1;
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-
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-static int __init rps_disable(char *s)
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-{
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-	mt_opt_norps = 1;
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-	return 1;
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-}
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-__setup("norps", rps_disable);
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 static int __init rpsctl_set(char *str)
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 {
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@@ -154,40 +146,6 @@
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 }
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 __setup("config7=", config7_set);
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-/* Experimental cache flush control parameters that should go away some day */
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-int mt_protiflush;
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-int mt_protdflush;
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-int mt_n_iflushes = 1;
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-int mt_n_dflushes = 1;
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-
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-static int __init set_protiflush(char *s)
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-{
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-	mt_protiflush = 1;
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-	return 1;
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-}
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-__setup("protiflush", set_protiflush);
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-
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-static int __init set_protdflush(char *s)
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-{
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-	mt_protdflush = 1;
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-	return 1;
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-}
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-__setup("protdflush", set_protdflush);
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-
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-static int __init niflush(char *s)
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-{
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-	get_option(&s, &mt_n_iflushes);
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-	return 1;
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-}
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-__setup("niflush=", niflush);
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-
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-static int __init ndflush(char *s)
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-{
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-	get_option(&s, &mt_n_dflushes);
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-	return 1;
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-}
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-__setup("ndflush=", ndflush);
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-
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 static unsigned int itc_base;
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 static int __init set_itc_base(char *str)
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@@ -203,9 +161,6 @@
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 	unsigned int oconfig7 = read_c0_config7();
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 	unsigned int nconfig7 = oconfig7;
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-	if (mt_opt_norps) {
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-		printk("\"norps\" option deprecated: use \"rpsctl=\"\n");
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-	}
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 	if (mt_opt_rpsctl >= 0) {
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 		printk("34K return prediction stack override set to %d.\n",
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 			mt_opt_rpsctl);
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@@ -231,16 +186,6 @@
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 		ehb();
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 		printk("Config7: 0x%08x\n", read_c0_config7());
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 	}
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-
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-	/* Report Cache management debug options */
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-	if (mt_protiflush)
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-		printk("I-cache flushes single-threaded\n");
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-	if (mt_protdflush)
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-		printk("D-cache flushes single-threaded\n");
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-	if (mt_n_iflushes != 1)
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-		printk("I-Cache Flushes Repeated %d times\n", mt_n_iflushes);
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-	if (mt_n_dflushes != 1)
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-		printk("D-Cache Flushes Repeated %d times\n", mt_n_dflushes);
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 	if (itc_base != 0) {
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 		/*
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@@ -281,21 +226,6 @@
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 		printk("Mapped %ld ITC cells starting at 0x%08x\n",
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 			((itcblkgrn & 0x7fe00000) >> 20), itc_base);
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 	}
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-}
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-
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-/*
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- * Function to protect cache flushes from concurrent execution
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- * depends on MP software model chosen.
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- */
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-
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-void mt_cflush_lockdown(void)
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-{
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-	/* FILL IN VSMP and AP/SP VERSIONS HERE */
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-}
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-
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-void mt_cflush_release(void)
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-{
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-	/* FILL IN VSMP and AP/SP VERSIONS HERE */
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 }
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 struct class *mt_class;