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SubjectRE: [Bug 13484] System report Int 6 error if E820 table reserve the memory above 4G
Date
From
Yinghai,

The patch works, thanks.

BRs
Peer Chen
> -----Original Message-----
> From: Yinghai Lu [mailto:yinghai@kernel.org]
> Sent: Monday, June 08, 2009 2:50 PM
> To: bugzilla-daemon@bugzilla.kernel.org; Ingo Molnar; H. Peter Anvin;
Thomas Gleixner; H. Peter Anvin; linux-kernel@vger.kernel.org;
> Peer Chen; Bernhard Walle
> Subject: Re: [Bug 13484] System report Int 6 error if E820 table
reserve the memory above 4G
>
> bugzilla-daemon@bugzilla.kernel.org wrote:
> > http://bugzilla.kernel.org/show_bug.cgi?id=13484
> >
> >
> >
> >
> >
> > --- Comment #3 from Peer Chen <pchen@nvidia.com> 2009-06-08
05:43:25 ---
> > I'm using 64bit CPU, Intel P8400.
> >
> > Yes, if set CONFIG_PHYS_ADDR_T_64BIT, the problem goes away.
> >
>
> please check
>
> ---
> drivers/firmware/memmap.c | 12 +++++-------
> include/linux/firmware-map.h | 12 ++++--------
> 2 files changed, 9 insertions(+), 15 deletions(-)
>
> Index: linux-2.6/drivers/firmware/memmap.c
> ===================================================================
> --- linux-2.6.orig/drivers/firmware/memmap.c
> +++ linux-2.6/drivers/firmware/memmap.c
> @@ -31,8 +31,8 @@
> * information is necessary as for the resource tree.
> */
> struct firmware_map_entry {
> - resource_size_t start; /* start of the memory range */
> - resource_size_t end; /* end of the memory range
(incl.) */
> + u64 start; /* start of the memory range */
> + u64 end; /* end of the memory range
(incl.) */
> const char *type; /* type of the memory range */
> struct list_head list; /* entry for the linked list */
> struct kobject kobj; /* kobject for each entry */
> @@ -101,7 +101,7 @@ static LIST_HEAD(map_entries);
> * Common implementation of firmware_map_add() and
firmware_map_add_early()
> * which expects a pre-allocated struct firmware_map_entry.
> **/
> -static int firmware_map_add_entry(resource_size_t start,
resource_size_t end,
> +static int firmware_map_add_entry(u64 start, u64 end,
> const char *type,
> struct firmware_map_entry *entry)
> {
> @@ -132,8 +132,7 @@ static int firmware_map_add_entry(resour
> *
> * Returns 0 on success, or -ENOMEM if no memory could be allocated.
> **/
> -int firmware_map_add(resource_size_t start, resource_size_t end,
> - const char *type)
> +int firmware_map_add(u64 start, u64 end, const char *type)
> {
> struct firmware_map_entry *entry;
>
> @@ -157,8 +156,7 @@ int firmware_map_add(resource_size_t sta
> *
> * Returns 0 on success, or -ENOMEM if no memory could be allocated.
> **/
> -int __init firmware_map_add_early(resource_size_t start,
resource_size_t end,
> - const char *type)
> +int __init firmware_map_add_early(u64 start, u64 end, const char
*type)
> {
> struct firmware_map_entry *entry;
>
> Index: linux-2.6/include/linux/firmware-map.h
> ===================================================================
> --- linux-2.6.orig/include/linux/firmware-map.h
> +++ linux-2.6/include/linux/firmware-map.h
> @@ -24,21 +24,17 @@
> */
> #ifdef CONFIG_FIRMWARE_MEMMAP
>
> -int firmware_map_add(resource_size_t start, resource_size_t end,
> - const char *type);
> -int firmware_map_add_early(resource_size_t start, resource_size_t
end,
> - const char *type);
> +int firmware_map_add(u64 start, u64 end, const char *type);
> +int firmware_map_add_early(u64 start, u64 end, const char *type);
>
> #else /* CONFIG_FIRMWARE_MEMMAP */
>
> -static inline int firmware_map_add(resource_size_t start,
resource_size_t end,
> - const char *type)
> +static inline int firmware_map_add(u64 start, u64 end, const char
*type)
> {
> return 0;
> }
>
> -static inline int firmware_map_add_early(resource_size_t start,
> - resource_size_t end, const char
*type)
> +static inline int firmware_map_add_early(u64 start, u64 end, const
char *type)
> {
> return 0;
> }
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