On Wed, 8 Jul 2009 14:44:00 +0800
Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> Hi all,
>
> Today's linux-next build (x86_64 allmodconfig) produced this warning:
>
> arch/x86/kernel/sfi.c: In function 'sfi_init_memory_map':
> arch/x86/kernel/sfi.c:99: warning: cast to pointer from integer of
> different size arch/x86/kernel/sfi.c:100: warning: cast to pointer
> from integer of different size
>
Hi Stephen,
Thanks for the finding. Could you help to test the following quick patch?
it should works for both x86_32 and x86_64. thanks
- Feng
diff --git a/arch/x86/kernel/sfi.c b/arch/x86/kernel/sfi.c
index a96ea0f..b23e489 100644
--- a/arch/x86/kernel/sfi.c
+++ b/arch/x86/kernel/sfi.c
@@ -96,8 +96,9 @@ int __init sfi_init_memory_map(void)
/* walk through the syst to search the mmap table */
mmapt = NULL;
for (i = 0; i < tbl_cnt; i++) {
- if (!strncmp(SFI_SIG_MMAP, (char *)(u32)*pentry, 4)) {
- mmapt = (struct sfi_table_simple *)(u32)*pentry;
+ if (!strncmp(SFI_SIG_MMAP, (char *)(unsigned long)*pentry, 4)) {
+ mmapt = (struct sfi_table_simple *)
+ (unsigned long)*pentry;
break;
}
pentry++;
--
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