On Tue, Mar 24, 2015 at 10:02:36PM +0800, Hanjun Guo wrote: > From: Mark Salter <[email protected]> > > Commit 0e63ea48b4d8 (arm64/efi: add missing call to early_ioremap_reset()) > added a missing call to early_ioremap_reset(). This triggers a BUG if code > tries using early_ioremap() after the early_ioremap_reset(). This is a > problem for some ACPI code which needs short-lived temporary mappings > after paging_init() but before acpi_early_init() in start_kernel(). This > patch adds definitions for the __late_set_fixmap() and __late_clear_fixmap() > which avoids the BUG by allowing later use of early_ioremap(). > > CC: Leif Lindholm <[email protected]> > CC: Ard Biesheuvel <[email protected]> > Tested-by: Suravee Suthikulpanit <[email protected]> > Tested-by: Mark Langsdorf <[email protected]> > Tested-by: Jon Masters <[email protected]> > Tested-by: Robert Richter <[email protected]> > Tested-by: Timur Tabi <[email protected]> > Acked-by: Robert Richter <[email protected]> > Reviewed-by: Grant Likely <[email protected]> > Signed-off-by: Mark Salter <[email protected]> > Signed-off-by: Hanjun Guo <[email protected]>
Acked-by: Catalin Marinas <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
