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d2a91cef9b
Doing kasan pages allocation in MMU_init is too early, kernel doesn't
have access yet to the entire memory space and memblock_alloc() fails
when the kernel is a bit big.
Do it from kasan_init() instead.
Fixes: 2edb16efc8 ("powerpc/32: Add KASAN support")
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/c24163ee5d5f8cdf52fefa45055ceb35435b8f15.1589866984.git.christophe.leroy@csgroup.eu
38 lines
938 B
C
38 lines
938 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_KASAN_H
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#define __ASM_KASAN_H
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#ifdef CONFIG_KASAN
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#define _GLOBAL_KASAN(fn) _GLOBAL(__##fn)
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#define _GLOBAL_TOC_KASAN(fn) _GLOBAL_TOC(__##fn)
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#define EXPORT_SYMBOL_KASAN(fn) EXPORT_SYMBOL(__##fn)
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#else
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#define _GLOBAL_KASAN(fn) _GLOBAL(fn)
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#define _GLOBAL_TOC_KASAN(fn) _GLOBAL_TOC(fn)
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#define EXPORT_SYMBOL_KASAN(fn)
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#endif
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#ifndef __ASSEMBLY__
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#include <asm/page.h>
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#define KASAN_SHADOW_SCALE_SHIFT 3
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#define KASAN_SHADOW_START (KASAN_SHADOW_OFFSET + \
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(PAGE_OFFSET >> KASAN_SHADOW_SCALE_SHIFT))
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#define KASAN_SHADOW_OFFSET ASM_CONST(CONFIG_KASAN_SHADOW_OFFSET)
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#define KASAN_SHADOW_END (-(-KASAN_SHADOW_START >> KASAN_SHADOW_SCALE_SHIFT))
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#ifdef CONFIG_KASAN
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void kasan_early_init(void);
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void kasan_init(void);
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void kasan_late_init(void);
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#else
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static inline void kasan_init(void) { }
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static inline void kasan_late_init(void) { }
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#endif
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#endif /* __ASSEMBLY */
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#endif
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