linux-kernel - [PATCH v1 1/4] powerpc: Cleanup asm-prototypes.c

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Message-Id: <3ed660a585df2080ea8412ec20fbf652f5bf013a.1646413435.git.christophe.leroy@csgroup.eu>
Date:   Fri,  4 Mar 2022 18:04:02 +0100
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v1 1/4] powerpc: Cleanup asm-prototypes.c

Last call to sys_swapcontext() from ASM was removed by
commit fbcee2ebe8ed ("powerpc/32: Always save non volatile GPRs at
syscall entry")

sys_debug_setcontext() prototype not needed anymore since
commit f3675644e172 ("powerpc/syscalls: signal_{32, 64} - switch
to SYSCALL_DEFINE")

sys_switch_endian() prototype not needed anymore since
commit 81dac8177862 ("powerpc/64: Make sys_switch_endian() traceable")

_mount() prototype is already in asm/ftrace.h

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/include/asm/asm-prototypes.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h
index 41b8a1e1144a..4fd79207fd41 100644
--- a/arch/powerpc/include/asm/asm-prototypes.h
+++ b/arch/powerpc/include/asm/asm-prototypes.h
@@ -57,12 +57,7 @@ int enter_vmx_ops(void);
 void *exit_vmx_ops(void *dest);
 
 /* signals, syscalls and interrupts */
-long sys_swapcontext(struct ucontext __user *old_ctx,
-		    struct ucontext __user *new_ctx,
-		    long ctx_size);
 #ifdef CONFIG_PPC32
-long sys_debug_setcontext(struct ucontext __user *ctx,
-			  int ndbg, struct sig_dbg_op __user *dbg);
 int
 ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp,
 	   struct __kernel_old_timeval __user *tvp);
@@ -81,7 +76,6 @@ unsigned long interrupt_exit_kernel_restart(struct pt_regs *regs);
 
 long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
 		      u32 len_high, u32 len_low);
-long sys_switch_endian(void);
 
 /* prom_init (OpenFirmware) */
 unsigned long __init prom_init(unsigned long r3, unsigned long r4,
@@ -102,7 +96,6 @@ extern int __cmpdi2(s64, s64);
 extern int __ucmpdi2(u64, u64);
 
 /* tracing */
-void _mcount(void);
 unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip,
 						unsigned long sp);
 
-- 
2.34.1