[+cc Michael, Vivek; sorry, I botched my "stg mail" so you weren't included the first time]
On Wed, Oct 15, 2014 at 11:06 AM, Bjorn Helgaas <[email protected]> wrote: > For the following functions: > > elfcorehdr_alloc() > elfcorehdr_free() > elfcorehdr_read() > elfcorehdr_read_notes() > remap_oldmem_pfn_range() > > fs/proc/vmcore.c provides default definitions explicitly marked "weak". > arch/s390 provides its own definitions intended to override the default > ones, but the "weak" attribute on the declarations applied to the s390 > definitions as well, so the linker chose one based on link order (see > 10629d711ed7 ("PCI: Remove __weak annotation from pcibios_get_phb_of_node > decl")). > > Remove the "weak" attribute from the declarations so we always prefer a > non-weak definition over the weak one, independent of link order. > > Fixes: be8a8d069e50 ("vmcore: introduce ELF header in new memory feature") > Fixes: 9cb218131de1 ("vmcore: introduce remap_oldmem_pfn_range()") > Signed-off-by: Bjorn Helgaas <[email protected]> > CC: Michael Holzheu <[email protected]> > CC: Vivek Goyal <[email protected]> > --- > include/linux/crash_dump.h | 15 +++++++-------- > 1 file changed, 7 insertions(+), 8 deletions(-) > > diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h > index 72ab536ad3de..3849fce7ecfe 100644 > --- a/include/linux/crash_dump.h > +++ b/include/linux/crash_dump.h > @@ -14,14 +14,13 @@ > extern unsigned long long elfcorehdr_addr; > extern unsigned long long elfcorehdr_size; > > -extern int __weak elfcorehdr_alloc(unsigned long long *addr, > - unsigned long long *size); > -extern void __weak elfcorehdr_free(unsigned long long addr); > -extern ssize_t __weak elfcorehdr_read(char *buf, size_t count, u64 *ppos); > -extern ssize_t __weak elfcorehdr_read_notes(char *buf, size_t count, u64 > *ppos); > -extern int __weak remap_oldmem_pfn_range(struct vm_area_struct *vma, > - unsigned long from, unsigned long > pfn, > - unsigned long size, pgprot_t prot); > +extern int elfcorehdr_alloc(unsigned long long *addr, unsigned long long > *size); > +extern void elfcorehdr_free(unsigned long long addr); > +extern ssize_t elfcorehdr_read(char *buf, size_t count, u64 *ppos); > +extern ssize_t elfcorehdr_read_notes(char *buf, size_t count, u64 *ppos); > +extern int remap_oldmem_pfn_range(struct vm_area_struct *vma, > + unsigned long from, unsigned long pfn, > + unsigned long size, pgprot_t prot); > > extern ssize_t copy_oldmem_page(unsigned long, char *, size_t, > unsigned long, int); > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

