From 475339684ef19e46f4702e2d185a869a5c454688 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Sat, 17 Sep 2016 23:39:26 +0200 Subject: x86/e820: Prepare e280 code for switch to dynamic storage This patch turns e820 and e820_saved into pointers to e820 tables, of the same size as before. Signed-off-by: Denys Vlasenko Acked-by: Thomas Gleixner Cc: Andy Lutomirski Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Brian Gerst Cc: H. Peter Anvin Cc: Josh Poimboeuf Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Yinghai Lu Cc: linux-kernel@vger.kernel.org Link: http://lkml.kernel.org/r/20160917213927.1787-2-dvlasenk@redhat.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/kexec-bzimage64.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/x86/kernel/kexec-bzimage64.c') diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c index f2356bd..3407b14 100644 --- a/arch/x86/kernel/kexec-bzimage64.c +++ b/arch/x86/kernel/kexec-bzimage64.c @@ -99,14 +99,14 @@ static int setup_e820_entries(struct boot_params *params) { unsigned int nr_e820_entries; - nr_e820_entries = e820_saved.nr_map; + nr_e820_entries = e820_saved->nr_map; /* TODO: Pass entries more than E820MAX in bootparams setup data */ if (nr_e820_entries > E820MAX) nr_e820_entries = E820MAX; params->e820_entries = nr_e820_entries; - memcpy(¶ms->e820_map, &e820_saved.map, + memcpy(¶ms->e820_map, &e820_saved->map, nr_e820_entries * sizeof(struct e820entry)); return 0; -- cgit v1.1