Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ARM: group is_permission_fault() with is_translation_fault()
Group is_permission_fault() with is_translation_fault(), which is
needed to use is_permission_fault() in __do_kernel_fault(). As
this is static inline, there is no need for this to be under
CONFIG_MMU.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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arch/arm/mm/fault.c
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arch/arm/mm/fault.c
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return false;
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}
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static inline bool is_permission_fault(unsigned int fsr)
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{
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int fs = fsr_fs(fsr);
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#ifdef CONFIG_ARM_LPAE
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if ((fs & FS_MMU_NOLL_MASK) == FS_PERM_NOLL)
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return true;
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#else
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if (fs == FS_L1_PERM || fs == FS_L2_PERM)
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return true;
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#endif
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return false;
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}
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static void die_kernel_fault(const char *msg, struct mm_struct *mm,
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unsigned long addr, unsigned int fsr,
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struct pt_regs *regs)
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}
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#ifdef CONFIG_MMU
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static inline bool is_permission_fault(unsigned int fsr)
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{
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int fs = fsr_fs(fsr);
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#ifdef CONFIG_ARM_LPAE
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if ((fs & FS_MMU_NOLL_MASK) == FS_PERM_NOLL)
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return true;
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#else
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if (fs == FS_L1_PERM || fs == FS_L2_PERM)
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return true;
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#endif
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return false;
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}
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-
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#ifdef CONFIG_CPU_TTBR0_PAN
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static inline bool ttbr0_usermode_access_allowed(struct pt_regs *regs)
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{