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x86/xen: Make hypercall_page noinstr 

vmlinux.o: warning: objtool: xen_set_debugreg()+0x3: call to hypercall_page() leaves .noinstr.text section
vmlinux.o: warning: objtool: xen_get_debugreg()+0x3: call to hypercall_page() leaves .noinstr.text section
vmlinux.o: warning: objtool: xen_irq_enable()+0x24: call to hypercall_page() leaves .noinstr.text section

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20210624095148.810950584@infradead.org
This commit is contained in:
Peter Zijlstra 2021-06-24 11:41:18 +02:00
parent 20125c872a
commit 74ea805b79
1 changed files with 1 additions and 1 deletions
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2
arch/x86/xen/xen-head.S
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@ -20,7 +20,7 @@
#include <xen/interface/xen-mca.h>
#include <asm/xen/interface.h>
.pushsection .text
.pushsection .noinstr.text, "ax"
.balign PAGE_SIZE
SYM_CODE_START(hypercall_page)
.rept (PAGE_SIZE / 32)