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powerpc: fix function annotations to avoid section mismatch warnings with gcc-10

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Certain warnings are emitted for powerpc code when building with a gcc-10
toolset:

    WARNING: modpost: vmlinux.o(.text.unlikely+0x377c): Section mismatch in
    reference from the function remove_pmd_table() to the function
    .meminit.text:split_kernel_mapping()
    The function remove_pmd_table() references
    the function __meminit split_kernel_mapping().
    This is often because remove_pmd_table lacks a __meminit
    annotation or the annotation of split_kernel_mapping is wrong.

Add the appropriate __init and __meminit annotations to make modpost not
complain. In all the cases there are just a single callsite from another
__init or __meminit function:

__meminit remove_pagetable() -> remove_pud_table() -> remove_pmd_table()
__init prom_init() -> setup_secure_guest()
__init xive_spapr_init() -> xive_spapr_disabled()

Signed-off-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200729133741.62789-1-vdronov@redhat.com
This commit is contained in:
Vladis Dronov 2020-07-29 15:37:41 +02:00 • committed by Michael Ellerman
parent 2e6bd221d9
commit aff779515a
3 changed files with 5 additions and 5 deletions
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4
arch/powerpc/kernel/prom_init.c
View file

@ -3270,7 +3270,7 @@ static int enter_secure_mode(unsigned long kbase, unsigned long fdt)
/*
* Call the Ultravisor to transfer us to secure memory if we have an ESM blob.
*/
static void setup_secure_guest(unsigned long kbase, unsigned long fdt)
static void __init setup_secure_guest(unsigned long kbase, unsigned long fdt)
{
int ret;
@ -3300,7 +3300,7 @@ static void setup_secure_guest(unsigned long kbase, unsigned long fdt)
}
}
#else
static void setup_secure_guest(unsigned long kbase, unsigned long fdt)
static void __init setup_secure_guest(unsigned long kbase, unsigned long fdt)
{
}
#endif /* CONFIG_PPC_SVM */