On Sun, 2013-06-23 at 15:54 +0800, Qiaowei Ren wrote:
> These logs come from tboot (Trusted Boot, an open source,
> pre-kernel/VMM module that uses Intel TXT to perform a
> measured and verified launch of an OS kernel/VMM.).
[]
> diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
[]
> +static struct tboot_log *get_log(void)
> +{
> +     struct tboot_log *log;
> +
> +     log = (struct tboot_log *)ioremap_nocache(TBOOT_SERIAL_LOG_ADDR,
> +                                               TBOOT_SERIAL_LOG_SIZE);

You might want to fix the sparse errors.
  CHECK   arch/x86/kernel/tboot.c
arch/x86/kernel/tboot.c:362:16: warning: cast removes address space of 
expression
arch/x86/kernel/tboot.c:368:25: warning: incorrect type in argument 1 
(different address spaces)
arch/x86/kernel/tboot.c:368:25:    expected void volatile [noderef] <asn:2>*addr
arch/x86/kernel/tboot.c:368:25:    got struct tboot_log *[assigned] log
arch/x86/kernel/tboot.c:395:17: warning: incorrect type in argument 1 
(different address spaces)
arch/x86/kernel/tboot.c:395:17:    expected void volatile [noderef] <asn:2>*addr
arch/x86/kernel/tboot.c:395:17:    got struct tboot_log *[assigned] log
arch/x86/kernel/tboot.c:479:16: warning: incorrect type in assignment 
(different address spaces)
arch/x86/kernel/tboot.c:479:16:    expected void *config
arch/x86/kernel/tboot.c:479:16:    got void [noderef] <asn:2>*
arch/x86/kernel/tboot.c:485:19: warning: incorrect type in assignment 
(different address spaces)
arch/x86/kernel/tboot.c:485:19:    expected void *heap_base
arch/x86/kernel/tboot.c:485:19:    got void [noderef] <asn:2>*
arch/x86/kernel/tboot.c:487:17: warning: incorrect type in argument 1 
(different address spaces)
arch/x86/kernel/tboot.c:487:17:    expected void volatile [noderef] <asn:2>*addr
arch/x86/kernel/tboot.c:487:17:    got void *config


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