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t-8chRussell King (Oracle)
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ARM: 9467/1: mm: Don't use %pK through printk
Restricted pointers ("%pK") were never meant to be used through printk(). They can acquire sleeping locks in atomic contexts. Switch to %px over the more secure %p as this usage is a debugging aid, gated behind CONFIG_DEBUG_VIRTUAL and used by WARN(). Link: https://lore.kernel.org/lkml/20250113171731-dc10e3c1-da64-4af0-b767-7c7070468023@linutronix.de/ Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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arch/arm/mm/physaddr.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -38,7 +38,7 @@ static inline bool __virt_addr_valid(unsigned long x)
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phys_addr_t __virt_to_phys(unsigned long x)
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{
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WARN(!__virt_addr_valid(x),
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"virt_to_phys used for non-linear address: %pK (%pS)\n",
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"virt_to_phys used for non-linear address: %px (%pS)\n",
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(void *)x, (void *)x);
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return __virt_to_phys_nodebug(x);

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