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2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/parisc/kernel/syscall.S
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@@ -2,7 +2,7 @@
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  * Linux/PA-RISC Project (http://www.parisc-linux.org/)
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  * 
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  * System call entry code / Linux gateway page
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- * Copyright (c) Matthew Wilcox 1999 <willy@bofh.ai>
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+ * Copyright (c) Matthew Wilcox 1999 <willy@infradead.org>
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  * Licensed under the GNU GPL.
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  * thanks to Philipp Rumpf, Mike Shaver and various others
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  * sorry about the wall, puffin..
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@@ -571,8 +571,8 @@
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 	ldil	L%lws_lock_start, %r20
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 	ldo	R%lws_lock_start(%r20), %r28
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-	/* Extract four bits from r26 and hash lock (Bits 4-7) */
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-	extru  %r26, 27, 4, %r20
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+	/* Extract eight bits from r26 and hash lock (Bits 3-11) */
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+	extru  %r26, 28, 8, %r20
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 	/* Find lock to use, the hash is either one of 0 to
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 	   15, multiplied by 16 (keep it 16-byte aligned)
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@@ -640,8 +640,7 @@
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 	sub,<>	%r28, %r25, %r0
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 2:	stw	%r24, 0(%r26)
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 	/* Free lock */
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-	sync
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-	stw	%r20, 0(%sr2,%r20)
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+	stw,ma	%r20, 0(%sr2,%r20)
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 #if ENABLE_LWS_DEBUG
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 	/* Clear thread register indicator */
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 	stw	%r0, 4(%sr2,%r20)
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@@ -655,8 +654,7 @@
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 3:		
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 	/* Error occurred on load or store */
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 	/* Free lock */
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-	sync
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-	stw	%r20, 0(%sr2,%r20)
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+	stw,ma	%r20, 0(%sr2,%r20)
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 #if ENABLE_LWS_DEBUG
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 	stw	%r0, 4(%sr2,%r20)
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 #endif
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@@ -763,8 +761,8 @@
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 	ldil	L%lws_lock_start, %r20
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 	ldo	R%lws_lock_start(%r20), %r28
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-	/* Extract four bits from r26 and hash lock (Bits 4-7) */
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-	extru  %r26, 27, 4, %r20
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+	/* Extract eight bits from r26 and hash lock (Bits 3-11) */
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+	extru  %r26, 28, 8, %r20
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 	/* Find lock to use, the hash is either one of 0 to
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 	   15, multiplied by 16 (keep it 16-byte aligned)
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@@ -857,8 +855,7 @@
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 cas2_end:
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 	/* Free lock */
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-	sync
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-	stw	%r20, 0(%sr2,%r20)
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+	stw,ma	%r20, 0(%sr2,%r20)
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 	/* Enable interrupts */
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 	ssm	PSW_SM_I, %r0
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 	/* Return to userspace, set no error */
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@@ -868,8 +865,7 @@
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 22:
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 	/* Error occurred on load or store */
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 	/* Free lock */
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-	sync
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-	stw	%r20, 0(%sr2,%r20)
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+	stw,ma	%r20, 0(%sr2,%r20)
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 	ssm	PSW_SM_I, %r0
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 	ldo	1(%r0),%r28
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 	b	lws_exit
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@@ -923,19 +919,24 @@
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 END(lws_table)
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 	/* End of lws table */
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+#define __SYSCALL(nr, entry)	ASM_ULONG_INSN entry
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 	.align 8
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 ENTRY(sys_call_table)
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 	.export sys_call_table,data
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-#include "syscall_table.S"
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+#ifdef CONFIG_64BIT
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+#include <asm/syscall_table_c32.h>   /* Compat syscalls */
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+#else
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+#include <asm/syscall_table_32.h>    /* 32-bit native syscalls */
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+#endif
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 END(sys_call_table)
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 #ifdef CONFIG_64BIT
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 	.align 8
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 ENTRY(sys_call_table64)
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-#define SYSCALL_TABLE_64BIT
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-#include "syscall_table.S"
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+#include <asm/syscall_table_64.h>    /* 64-bit native syscalls */
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 END(sys_call_table64)
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 #endif
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+#undef __SYSCALL
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 	/*
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 		All light-weight-syscall atomic operations 
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@@ -949,7 +950,7 @@
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 	.align	L1_CACHE_BYTES
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 ENTRY(lws_lock_start)
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 	/* lws locks */
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-	.rept 16
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+	.rept 256
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 	/* Keep locks aligned at 16-bytes */
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 	.word 1
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 	.word 0