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x86/boot/e820: Use bool in query APIs

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Change e820__mapped_any() and e820__mapped_all()'s return type and
e820__range_remove()'s check_type parameter to bool.

Propagate it into arch/x86/pci/mmconfig-shared.c as this change
affects a function signature there too.

No change in functionality.

Cc: Alex Thorlton <athorlton@sgi.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Huang, Ying <ying.huang@intel.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul Jackson <pj@sgi.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2017-01-28 22:34:55 +01:00
parent 1a1270349a
commit 81b3e090fa
3 changed files with 15 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/x86/include/asm/e820/api.h
View File

@ -8,12 +8,12 @@ extern struct e820_table *e820_table_firmware;
extern unsigned long pci_mem_start;
extern int e820__mapped_any(u64 start, u64 end, enum e820_type type);
extern int e820__mapped_all(u64 start, u64 end, enum e820_type type);
extern bool e820__mapped_any(u64 start, u64 end, enum e820_type type);
extern bool e820__mapped_all(u64 start, u64 end, enum e820_type type);
extern void e820__range_add (u64 start, u64 size, enum e820_type type);
extern u64 e820__range_update(u64 start, u64 size, enum e820_type old_type, enum e820_type new_type);
extern u64 e820__range_remove(u64 start, u64 size, enum e820_type old_type, int checktype);
extern u64 e820__range_remove(u64 start, u64 size, enum e820_type old_type, bool check_type);
extern void e820__print_table(char *who);
extern int e820__update_table(struct e820_table *table);

10
arch/x86/kernel/e820.c
View File

@ -68,7 +68,7 @@ EXPORT_SYMBOL(pci_mem_start);
* This function checks if any part of the range <start,end> is mapped
* with type.
*/
int e820__mapped_any(u64 start, u64 end, enum e820_type type)
bool e820__mapped_any(u64 start, u64 end, enum e820_type type)
{
int i;
@ -91,7 +91,7 @@ EXPORT_SYMBOL_GPL(e820__mapped_any);
* Note: this function only works correctly once the E820 table is sorted and
* not-overlapping (at least for the range specified), which is the case normally.
*/
int __init e820__mapped_all(u64 start, u64 end, enum e820_type type)
bool __init e820__mapped_all(u64 start, u64 end, enum e820_type type)
{
int i;
@ -492,7 +492,7 @@ static u64 __init e820__range_update_firmware(u64 start, u64 size, enum e820_typ
}
/* Remove a range of memory from the E820 table: */
u64 __init e820__range_remove(u64 start, u64 size, enum e820_type old_type, int checktype)
u64 __init e820__range_remove(u64 start, u64 size, enum e820_type old_type, bool check_type)
{
int i;
u64 end;
@ -503,7 +503,7 @@ u64 __init e820__range_remove(u64 start, u64 size, enum e820_type old_type, int
end = start + size;
pr_debug("e820: remove [mem %#010Lx-%#010Lx] ", start, end - 1);
if (checktype)
if (check_type)
e820_print_type(old_type);
pr_cont("\n");
@ -512,7 +512,7 @@ u64 __init e820__range_remove(u64 start, u64 size, enum e820_type old_type, int
u64 final_start, final_end;
u64 entry_end;
if (checktype && entry->type != old_type)
if (check_type && entry->type != old_type)
continue;
entry_end = entry->addr + entry->size;

14
arch/x86/pci/mmconfig-shared.c
View File

@ -423,7 +423,7 @@ static acpi_status find_mboard_resource(acpi_handle handle, u32 lvl,
return AE_OK;
}
static int is_acpi_reserved(u64 start, u64 end, unsigned not_used)
static bool is_acpi_reserved(u64 start, u64 end, unsigned not_used)
{
struct resource mcfg_res;
@ -440,11 +440,11 @@ static int is_acpi_reserved(u64 start, u64 end, unsigned not_used)
return mcfg_res.flags;
}
typedef int (*check_reserved_t)(u64 start, u64 end, unsigned type);
typedef bool (*check_reserved_t)(u64 start, u64 end, unsigned type);
static int __ref is_mmconf_reserved(check_reserved_t is_reserved,
struct pci_mmcfg_region *cfg,
struct device *dev, int with_e820)
static bool __ref is_mmconf_reserved(check_reserved_t is_reserved,
struct pci_mmcfg_region *cfg,
struct device *dev, int with_e820)
{
u64 addr = cfg->res.start;
u64 size = resource_size(&cfg->res);
@ -494,8 +494,8 @@ static int __ref is_mmconf_reserved(check_reserved_t is_reserved,
return 1;
}
static int __ref pci_mmcfg_check_reserved(struct device *dev,
struct pci_mmcfg_region *cfg, int early)
static bool __ref
pci_mmcfg_check_reserved(struct device *dev, struct pci_mmcfg_region *cfg, int early)
{
if (!early && !acpi_disabled) {
if (is_mmconf_reserved(is_acpi_reserved, cfg, dev, 0))