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With CONFIG_CFI_CLANG, the compiler replaces function pointers with jump table addresses, which results in __pa_symbol returning the physical address of the jump table entry. As the jump table contains an immediate jump to an EL1 virtual address, this typically won't work as intended. Use function_nocfi to get the actual address of cpu_resume. Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Tested-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20210408182843.1754385-12-samitolvanen@google.com |
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| psci_checker.c | ||
| psci.c | ||