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x86/mtrr: Remove set_all callback from struct mtrr_ops

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Instead of using an indirect call to mtrr_if->set_all just call the only
possible target cache_cpu_init() directly. Remove the set_all function
pointer from struct mtrr_ops.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20221102074713.21493-9-jgross@suse.com
Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Juergen Gross
2022-11-02 08:47:05 +01:00
committed by Borislav Petkov
parent 7d71db537b
commit 57df636cd3
3 changed files with 5 additions and 8 deletions
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1
arch/x86/kernel/cpu/mtrr/generic.c
View File

@@ -843,7 +843,6 @@ int positive_have_wrcomb(void)
* Generic structure...
*/
const struct mtrr_ops generic_mtrr_ops = {
.set_all = cache_cpu_init,
.get = generic_get_mtrr,
.get_free_region = generic_get_free_region,
.set = generic_set_mtrr,

10
arch/x86/kernel/cpu/mtrr/mtrr.c
View File

@@ -170,15 +170,15 @@ static int mtrr_rendezvous_handler(void *info)
* saved, and we want to replicate that across all the cpus that come
* online (either at the end of boot or resume or during a runtime cpu
* online). If we're doing that, @reg is set to something special and on
* all the cpu's we do mtrr_if->set_all() (On the logical cpu that
* all the CPUs we do cache_cpu_init() (On the logical CPU that
* started the boot/resume sequence, this might be a duplicate
* set_all()).
* cache_cpu_init()).
*/
if (data->smp_reg != ~0U) {
mtrr_if->set(data->smp_reg, data->smp_base,
data->smp_size, data->smp_type);
} else if (mtrr_aps_delayed_init || !cpu_online(smp_processor_id())) {
mtrr_if->set_all();
cache_cpu_init();
}
return 0;
}
@@ -770,7 +770,7 @@ void __init mtrr_bp_init(void)
if (mtrr_cleanup(phys_addr)) {
changed_by_mtrr_cleanup = 1;
mtrr_if->set_all();
cache_cpu_init();
}
}
}
@@ -856,7 +856,7 @@ void mtrr_bp_restore(void)
if (!memory_caching_control)
return;
mtrr_if->set_all();
cache_cpu_init();
}
static int __init mtrr_init_finialize(void)

2
arch/x86/kernel/cpu/mtrr/mtrr.h
View File

@@ -16,8 +16,6 @@ struct mtrr_ops {
u32 vendor;
void (*set)(unsigned int reg, unsigned long base,
unsigned long size, mtrr_type type);
void (*set_all)(void);
void (*get)(unsigned int reg, unsigned long *base,
unsigned long *size, mtrr_type *type);
int (*get_free_region)(unsigned long base, unsigned long size,