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xen: x86: mark xen_find_pt_base as __init

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gcc-4.6 causes a harmless link-time warning:

WARNING: vmlinux.o(.text.unlikely+0x48e): Section mismatch in reference from the function xen_find_pt_base() to the function .init.text:m2p()
The function xen_find_pt_base() references
the function __init m2p().
This is often because xen_find_pt_base lacks a __init
annotation or the annotation of m2p is wrong.

Newer compilers inline this function, so it never shows up, but marking
it __init is the right way to avoid the warning.

Fixes: 70e6119955 ("xen: move p2m list if conflicting with e820 map")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Arnd Bergmann 2017-09-15 21:29:13 +02:00 committed by Boris Ostrovsky
parent d785d9ec78
commit 51ae253870
1 changed files with 1 additions and 1 deletions
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2
arch/x86/xen/mmu_pv.c
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@ -2221,7 +2221,7 @@ static void __init xen_write_cr3_init(unsigned long cr3)
* not the first page table in the page table pool.
* Iterate through the initial page tables to find the real page table base.
*/
static phys_addr_t xen_find_pt_base(pmd_t *pmd)
static phys_addr_t __init xen_find_pt_base(pmd_t *pmd)
{
phys_addr_t pt_base, paddr;
unsigned pmdidx;