From abc745f85c1193d2a052addf0031d59b4436c246 Mon Sep 17 00:00:00 2001 From: Juergen Gross Date: Tue, 28 Aug 2018 09:40:17 +0200 Subject: x86/paravirt: Remove clobbers parameter from paravirt patch functions The clobbers parameter from paravirt_patch_default() et al isn't used any longer. Remove it. Signed-off-by: Juergen Gross Signed-off-by: Thomas Gleixner Reviewed-by: Thomas Gleixner Cc: xen-devel@lists.xenproject.org Cc: virtualization@lists.linux-foundation.org Cc: akataria@vmware.com Cc: rusty@rustcorp.com.au Cc: boris.ostrovsky@oracle.com Cc: hpa@zytor.com Link: https://lkml.kernel.org/r/20180828074026.820-7-jgross@suse.com --- arch/x86/kernel/paravirt.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) (limited to 'arch/x86/kernel/paravirt.c') diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 1abdbde35049..287d34513f6a 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -81,10 +81,8 @@ struct branch { u32 delta; } __attribute__((packed)); -static unsigned paravirt_patch_call(void *insnbuf, - const void *target, u16 tgt_clobbers, - unsigned long addr, u16 site_clobbers, - unsigned len) +static unsigned paravirt_patch_call(void *insnbuf, const void *target, + unsigned long addr, unsigned len) { struct branch *b = insnbuf; unsigned long delta = (unsigned long)target - (addr+5); @@ -149,7 +147,7 @@ static void *get_call_destination(u8 type) return *((void **)&tmpl + type); } -unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf, +unsigned paravirt_patch_default(u8 type, void *insnbuf, unsigned long addr, unsigned len) { void *opfunc = get_call_destination(type); @@ -172,10 +170,8 @@ unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf, /* If operation requires a jmp, then jmp */ ret = paravirt_patch_jmp(insnbuf, opfunc, addr, len); else - /* Otherwise call the function; assume target could - clobber any caller-save reg */ - ret = paravirt_patch_call(insnbuf, opfunc, CLBR_ANY, - addr, clobbers, len); + /* Otherwise call the function. */ + ret = paravirt_patch_call(insnbuf, opfunc, addr, len); return ret; } -- cgit v1.2.3