Messages in this thread Patch in this message | | | From | Pavel Tatashin <> | Subject | [PATCH v7 05/25] arm64: hibernate: pass the allocated pgdp to ttbr0 | Date | Wed, 16 Oct 2019 16:00:14 -0400 |
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ttbr0 should be set to the beginning of pgdp, however, currently in create_safe_exec_page it is set to pgdp after pgd_offset_raw(), which works by accident.
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com> Reviewed-by: James Morse <james.morse@arm.com> --- arch/arm64/kernel/hibernate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c index a96b2921d22c..ef46ce66d7e8 100644 --- a/arch/arm64/kernel/hibernate.c +++ b/arch/arm64/kernel/hibernate.c @@ -269,7 +269,7 @@ static int create_safe_exec_page(void *src_start, size_t length, */ cpu_set_reserved_ttbr0(); local_flush_tlb_all(); - write_sysreg(phys_to_ttbr(virt_to_phys(pgdp)), ttbr0_el1); + write_sysreg(phys_to_ttbr(virt_to_phys(trans_pgd)), ttbr0_el1); isb(); *phys_dst_addr = virt_to_phys((void *)dst); -- 2.23.0
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