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authorMark Salter2014-04-08 00:39:51 +0200
committerLinus Torvalds2014-04-08 01:36:15 +0200
commit0bf757c73d6612d3d279de3f61b35062aa9c8b1d (patch)
treed43e4ee9dc365ea2ee02d8ee7853f2617babb2d4 /arch/arm64/kernel
parentx86: use generic early_ioremap (diff)
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arm64: initialize pgprot info earlier in boot
Presently, paging_init() calls init_mem_pgprot() to initialize pgprot values used by macros such as PAGE_KERNEL, PAGE_KERNEL_EXEC, etc. The new fixmap and early_ioremap support also needs to use these macros before paging_init() is called. This patch moves the init_mem_pgprot() call out of paging_init() and into setup_arch() so that pgprot_default gets initialized in time for fixmap and early_ioremap. Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: Dave Young <dyoung@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arm64/kernel')
-rw-r--r--arch/arm64/kernel/setup.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 67da30741a1b..20830d1afbb6 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -360,6 +360,8 @@ void __init setup_arch(char **cmdline_p)
*cmdline_p = boot_command_line;
+ init_mem_pgprot();
+
parse_early_param();
arm64_memblock_init();