提交 01674da6 编写于 作者: R Rakib Mullick 提交者: Len Brown

SFI: fix section mismatch warnings in sfi_core.c

The function sfi_map_memory/sfi_unmap_memory uses
early_ioremap/early_iounmap respectively, which refers to a __init
function.  And function sfi_check_table also refers to a __init function
sfi_verify_table.  Since the references are valid, so use __ref to get rid
of the warnings.

 We were warned by the following warnings:

  LD      vmlinux.o
  MODPOST vmlinux.o
WARNING: vmlinux.o(.text+0xb6ba3a): Section mismatch in reference from
the function sfi_map_memory() to the function
.init.text:early_ioremap()
The function sfi_map_memory() references
the function __init early_ioremap().
This is often because sfi_map_memory lacks a __init
annotation or the annotation of early_ioremap is wrong.

WARNING: vmlinux.o(.text+0xb6bab6): Section mismatch in reference from
the function sfi_unmap_memory() to the function
.init.text:early_iounmap()
The function sfi_unmap_memory() references
the function __init early_iounmap().
This is often because sfi_unmap_memory lacks a __init
annotation or the annotation of early_iounmap is wrong.

WARNING: vmlinux.o(.text+0xb6be30): Section mismatch in reference from
the function sfi_check_table() to the function
.init.text:sfi_verify_table()
The function sfi_check_table() references
the function __init sfi_verify_table().
This is often because sfi_check_table lacks a __init
annotation or the annotation of sfi_verify_table is wrong.
Signed-off-by: NRakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLen Brown <len.brown@intel.com>
上级 0efe5e32
master alk-4.19.24 alk-4.19.30 alk-4.19.34 alk-4.19.36 alk-4.19.43 alk-4.19.48 alk-4.19.57 ck-4.19.67 ck-4.19.81 ck-4.19.91 github/fork/deepanshu1422/fix-typo-in-comment github/fork/haosdent/fix-typo linux-next v4.19.91 v4.19.90 v4.19.89 v4.19.88 v4.19.87 v4.19.86 v4.19.85 v4.19.84 v4.19.83 v4.19.82 v4.19.81 v4.19.80 v4.19.79 v4.19.78 v4.19.77 v4.19.76 v4.19.75 v4.19.74 v4.19.73 v4.19.72 v4.19.71 v4.19.70 v4.19.69 v4.19.68 v4.19.67 v4.19.66 v4.19.65 v4.19.64 v4.19.63 v4.19.62 v4.19.61 v4.19.60 v4.19.59 v4.19.58 v4.19.57 v4.19.56 v4.19.55 v4.19.54 v4.19.53 v4.19.52 v4.19.51 v4.19.50 v4.19.49 v4.19.48 v4.19.47 v4.19.46 v4.19.45 v4.19.44 v4.19.43 v4.19.42 v4.19.41 v4.19.40 v4.19.39 v4.19.38 v4.19.37 v4.19.36 v4.19.35 v4.19.34 v4.19.33 v4.19.32 v4.19.31 v4.19.30 v4.19.29 v4.19.28 v4.19.27 v4.19.26 v4.19.25 v4.19.24 v4.19.23 v4.19.22 v4.19.21 v4.19.20 v4.19.19 v4.19.18 v4.19.17 v4.19.16 v4.19.15 v4.19.14 v4.19.13 v4.19.12 v4.19.11 v4.19.10 v4.19.9 v4.19.8 v4.19.7 v4.19.6 v4.19.5 v4.19.4 v4.19.3 v4.19.2 v4.19.1 v4.19 v4.19-rc8 v4.19-rc7 v4.19-rc6 v4.19-rc5 v4.19-rc4 v4.19-rc3 v4.19-rc2 v4.19-rc1 ck-release-21 ck-release-20 ck-release-19.2 ck-release-19.1 ck-release-19 ck-release-18 ck-release-17.2 ck-release-17.1 ck-release-17 ck-release-16 ck-release-15.1 ck-release-15 ck-release-14 ck-release-13.2 ck-release-13 ck-release-12 ck-release-11 ck-release-10 ck-release-9 ck-release-7 alk-release-15 alk-release-14 alk-release-13.2 alk-release-13 alk-release-12 alk-release-11 alk-release-10 alk-release-9 alk-release-7
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......@@ -90,7 +90,11 @@ static struct sfi_table_simple *syst_va __read_mostly;
*/
static u32 sfi_use_ioremap __read_mostly;
static void __iomem *sfi_map_memory(u64 phys, u32 size)
/*
* sfi_un/map_memory calls early_ioremap/iounmap which is a __init function
* and introduces section mismatch. So use __ref to make it calm.
*/
static void __iomem * __ref sfi_map_memory(u64 phys, u32 size)
{
if (!phys || !size)
return NULL;
......@@ -101,7 +105,7 @@ static void __iomem *sfi_map_memory(u64 phys, u32 size)
return early_ioremap(phys, size);
}
static void sfi_unmap_memory(void __iomem *virt, u32 size)
static void __ref sfi_unmap_memory(void __iomem *virt, u32 size)
{
if (!virt || !size)
return;
......@@ -213,12 +217,17 @@ static int sfi_table_check_key(struct sfi_table_header *th,
* the mapped virt address will be returned, and the virt space
* will be released by call sfi_put_table() later
*
* This two cases are from two different functions with two different
* sections and causes section mismatch warning. So use __ref to tell
* modpost not to make any noise.
*
* Return value:
* NULL: when can't find a table matching the key
* ERR_PTR(error): error value
* virt table address: when a matched table is found
*/
struct sfi_table_header *sfi_check_table(u64 pa, struct sfi_table_key *key)
struct sfi_table_header *
__ref sfi_check_table(u64 pa, struct sfi_table_key *key)
{
struct sfi_table_header *th;
void *ret = NULL;
......
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