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init, x86: Move mem_encrypt_init() into arch_cpu_finalize_init()

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Invoke the X86ism mem_encrypt_init() from X86 arch_cpu_finalize_init() and
remove the weak fallback from the core code.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20230613224545.670360645@linutronix.de
This commit is contained in:
Thomas Gleixner
2023-06-14 01:39:41 +02:00
parent 9df9d2f047
commit 439e17576e
3 changed files with 15 additions and 16 deletions
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13
init/main.c
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@@ -95,7 +95,6 @@
#include <linux/cache.h>
#include <linux/rodata_test.h>
#include <linux/jump_label.h>
#include <linux/mem_encrypt.h>
#include <linux/kcsan.h>
#include <linux/init_syscalls.h>
#include <linux/stackdepot.h>
@@ -786,8 +785,6 @@ void __init __weak thread_stack_cache_init(void)
}
#endif
void __init __weak mem_encrypt_init(void) { }
void __init __weak poking_init(void) { }
void __init __weak pgtable_cache_init(void) { }
@@ -1043,16 +1040,6 @@ asmlinkage __visible void __init __no_sanitize_address __noreturn start_kernel(v
arch_cpu_finalize_init();
/*
* This needs to be called before any devices perform DMA
* operations that might use the SWIOTLB bounce buffers. It will
* mark the bounce buffers as decrypted so that their usage will
* not cause "plain-text" data to be decrypted when accessed. It
* must be called after late_time_init() so that Hyper-V x86/x64
* hypercalls work when the SWIOTLB bounce buffers are decrypted.
*/
mem_encrypt_init();
pid_idr_init();
anon_vma_init();
#ifdef CONFIG_X86