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x86/paravirt: Remove clobbers parameter from paravirt patch functions

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The clobbers parameter from paravirt_patch_default() et al isn't used
any longer. Remove it.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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
This commit is contained in:
Juergen Gross
2018-08-28 09:40:17 +02:00
committed by Thomas Gleixner
parent 7e43720289
commit abc745f85c
6 changed files with 16 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
arch/x86/kernel/paravirt.c
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@@ -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;
}