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authorThomas Gleixner <tglx@linutronix.de>2024-02-13 22:05:04 +0100
committerThomas Gleixner <tglx@linutronix.de>2024-02-15 22:07:40 +0100
commitd0a85126b137598eab969e5ba283e5e70ca9c686 (patch)
tree145d82856119399a42fd78ce2d1bcdcd9d184592 /arch
parentx86/mpparse: Provide separate early/late callbacks (diff)
downloadlinux-d0a85126b137598eab969e5ba283e5e70ca9c686.tar.xz
linux-d0a85126b137598eab969e5ba283e5e70ca9c686.zip
x86/mpparse: Prepare for callback separation
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
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/mpspec.h12
-rw-r--r--arch/x86/kernel/mpparse.c12
-rw-r--r--arch/x86/kernel/x86_init.c2
3 files changed, 20 insertions, 6 deletions
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index c154dd7261e7..72700ae4a770 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -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);
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 86acccdbd631..b22093d2265b 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -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 @@ out:
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));
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 0bbef495a43f..5d86d5782971 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -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 = {