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| author | Peter Zijlstra <peterz@infradead.org> | 2021-06-24 11:41:14 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-09-17 13:12:16 +0200 |
| commit | 209cfd0cbb6722d3461e4f928dc150e4c3811948 (patch) | |
| tree | 5383d3aad2dc747a80eeceeba0d764cf0d670345 /arch/x86/xen | |
| parent | 0a53c9acf4da51a75392b0b543ce5eaae78a567f (diff) | |
| download | linux-209cfd0cbb6722d3461e4f928dc150e4c3811948.tar.bz2 | |
x86/xen: Make write_cr2() noinstr
vmlinux.o: warning: objtool: pv_ops[42]: native_write_cr2
vmlinux.o: warning: objtool: pv_ops[42]: xen_write_cr2
vmlinux.o: warning: objtool: exc_nmi()+0x127: call to pv_ops[42]() 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/20210624095148.563524913@infradead.org
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/mmu_pv.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index 1df5f01529e5..f3cafe56fbe5 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -1204,7 +1204,8 @@ static void __init xen_pagetable_init(void) xen_remap_memory(); xen_setup_mfn_list_list(); } -static void xen_write_cr2(unsigned long cr2) + +static noinstr void xen_write_cr2(unsigned long cr2) { this_cpu_read(xen_vcpu)->arch.cr2 = cr2; } |