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* [PATCH] x86: drop leftover uses of regparm attribute
@ 2016-09-01  9:08 Jan Beulich
  2016-09-01  9:50 ` Andrew Cooper
  0 siblings, 1 reply; 2+ messages in thread
From: Jan Beulich @ 2016-09-01  9:08 UTC (permalink / raw)
  To: xen-devel; +Cc: Andrew Cooper

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These were relevant only for 32-bit builds on Xen.

Signed-off-by: Jan Beulich <jbeulich@suse.com>

--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -2200,10 +2200,8 @@ void guest_io_write(unsigned int port, u
 }
 
 /* I/O emulation support. Helper routines for, and type of, the stack stub.*/
-void host_to_guest_gpr_switch(struct cpu_user_regs *)
-    __attribute__((__regparm__(1)));
-unsigned long guest_to_host_gpr_switch(unsigned long)
-    __attribute__((__regparm__(1)));
+void host_to_guest_gpr_switch(struct cpu_user_regs *);
+unsigned long guest_to_host_gpr_switch(unsigned long);
 
 void (*pv_post_outb_hook)(unsigned int port, u8 value);
 
@@ -2262,7 +2260,7 @@ static int emulate_privileged_op(struct
                            : (*(u16 *)&regs->reg = (val)))
     unsigned long code_base, code_limit;
     char *io_emul_stub = NULL;
-    void (*io_emul)(struct cpu_user_regs *) __attribute__((__regparm__(1)));
+    void (*io_emul)(struct cpu_user_regs *);
     uint64_t val;
     bool_t vpmu_msr;
 




[-- Attachment #2: x86-drop-regparm.patch --]
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x86: drop leftover uses of regparm attribute

These were relevant only for 32-bit builds on Xen.

Signed-off-by: Jan Beulich <jbeulich@suse.com>

--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -2200,10 +2200,8 @@ void guest_io_write(unsigned int port, u
 }
 
 /* I/O emulation support. Helper routines for, and type of, the stack stub.*/
-void host_to_guest_gpr_switch(struct cpu_user_regs *)
-    __attribute__((__regparm__(1)));
-unsigned long guest_to_host_gpr_switch(unsigned long)
-    __attribute__((__regparm__(1)));
+void host_to_guest_gpr_switch(struct cpu_user_regs *);
+unsigned long guest_to_host_gpr_switch(unsigned long);
 
 void (*pv_post_outb_hook)(unsigned int port, u8 value);
 
@@ -2262,7 +2260,7 @@ static int emulate_privileged_op(struct
                            : (*(u16 *)&regs->reg = (val)))
     unsigned long code_base, code_limit;
     char *io_emul_stub = NULL;
-    void (*io_emul)(struct cpu_user_regs *) __attribute__((__regparm__(1)));
+    void (*io_emul)(struct cpu_user_regs *);
     uint64_t val;
     bool_t vpmu_msr;
 

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https://lists.xen.org/xen-devel

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] x86: drop leftover uses of regparm attribute
  2016-09-01  9:08 [PATCH] x86: drop leftover uses of regparm attribute Jan Beulich
@ 2016-09-01  9:50 ` Andrew Cooper
  0 siblings, 0 replies; 2+ messages in thread
From: Andrew Cooper @ 2016-09-01  9:50 UTC (permalink / raw)
  To: Jan Beulich, xen-devel


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On 01/09/16 10:08, Jan Beulich wrote:
> These were relevant only for 32-bit builds on Xen.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>

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_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel

^ permalink raw reply	[flat|nested] 2+ messages in thread

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