github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-24 15:12:13 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

x86/mpparse: Prepare for callback separation

Browse Source 
In preparation of splitting the get_smp_config() callback, rename
default_get_smp_config() to mpparse_get_smp_config() and provide an early
and late wrapper.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Link: https://lore.kernel.org/r/20240212154639.433811243@linutronix.de
This commit is contained in:
Thomas Gleixner 2024-02-13 22:05:04 +01:00
parent fc60fd009c
commit d0a85126b1
3 changed files with 20 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
arch/x86/include/asm/mpspec.h
View File

@ -60,12 +60,16 @@ static inline void early_get_smp_config(void)
extern void e820__memblock_alloc_reserved_mpc_new(void);
extern int enable_update_mptable;
extern void mpparse_find_mptable(void);
extern void default_get_smp_config(unsigned int early);
extern void mpparse_parse_early_smp_config(void);
extern void mpparse_parse_smp_config(void);
extern void mpparse_get_smp_config(unsigned int early);
#else
static inline void e820__memblock_alloc_reserved_mpc_new(void) { }
#define enable_update_mptable 0
#define mpparse_find_mptable x86_init_noop
#define default_get_smp_config x86_init_uint_noop
#define enable_update_mptable 0
#define mpparse_find_mptable x86_init_noop
#define mpparse_parse_early_smp_config x86_init_noop
#define mpparse_parse_smp_config x86_init_noop
#define mpparse_get_smp_config x86_init_uint_noop
#endif
int generic_processor_info(int apicid);

12
arch/x86/kernel/mpparse.c
View File

@ -473,7 +473,7 @@ static int __init check_physptr(struct mpf_intel *mpf, unsigned int early)
/*
* Scan the memory blocks for an SMP configuration block.
*/
void __init default_get_smp_config(unsigned int early)
void __init mpparse_get_smp_config(unsigned int early)
{
struct mpf_intel *mpf;
@ -538,6 +538,16 @@ void __init default_get_smp_config(unsigned int early)
early_memunmap(mpf, sizeof(*mpf));
}
void __init mpparse_parse_early_smp_config(void)
{
mpparse_get_smp_config(true);
}
void __init mpparse_parse_smp_config(void)
{
mpparse_get_smp_config(false);
}
static void __init smp_reserve_memory(struct mpf_intel *mpf)
{
memblock_reserve(mpf->physptr, get_mpc_size(mpf->physptr));

2
arch/x86/kernel/x86_init.c
View File

@ -71,7 +71,7 @@ struct x86_init_ops x86_init __initdata = {
.mpparse = {
.setup_ioapic_ids = x86_init_noop,
.find_mptable = mpparse_find_mptable,
.get_smp_config = default_get_smp_config,
.get_smp_config = mpparse_get_smp_config,
},
.irqs = {