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xtensa: minor compiler warning fix 

Fix two compiler warnings complaining about truncating a value on
a 64-bit host, and about declaring an unused variable that is only
used for a specific configuration.

Signed-off-by: Chris Zankel <chris@zankel.net>
This commit is contained in:
Chris Zankel 2012-10-17 23:08:20 -07:00
parent 795ca178c4
commit 39070cb8a3
2 changed files with 5 additions and 2 deletions
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2
arch/xtensa/kernel/entry.S
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@ -1542,7 +1542,7 @@ ENTRY(fast_second_level_miss)
* pteval = ((pmdval - PAGE_OFFSET) & PAGE_MASK) | PAGE_DIRECTORY
*/
movi a1, -PAGE_OFFSET
movi a1, (-PAGE_OFFSET) & 0xffffffff
add a0, a0, a1 # pmdval - PAGE_OFFSET
extui a1, a0, 0, PAGE_SHIFT # ... & PAGE_MASK
xor a0, a0, a1

5
arch/xtensa/kernel/process.c
View File

@ -190,10 +190,13 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
struct task_struct * p, struct pt_regs * regs)
{
struct pt_regs *childregs;
struct thread_info *ti;
unsigned long tos;
int user_mode = user_mode(regs);
#if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS)
struct thread_info *ti;
#endif
/* Set up new TSS. */
tos = (unsigned long)task_stack_page(p) + THREAD_SIZE;
if (user_mode)