linux-kernel - [PATCH] x86: make e820_end return end_of

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <200807092017.51004.yhlu.kernel@gmail.com>
Date:	Wed, 9 Jul 2008 20:17:50 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>
Cc:	Suresh Siddha <suresh.b.siddha@...el.com>
Subject: [PATCH] x86: make e820_end return end_of_ram again for 64bit


even for 64bit system with less 4G, we can use fixmap to handle
acpi sit near end of ram

change e820_end to e820_end_of_ram again?
or e820_ram_pfn?

Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>

---
 arch/x86/kernel/e820.c |    2 --
 1 file changed, 2 deletions(-)

Index: linux-2.6/arch/x86/kernel/e820.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/e820.c
+++ linux-2.6/arch/x86/kernel/e820.c
@@ -1066,10 +1066,8 @@ unsigned long __init e820_end(void)
 		struct e820entry *ei = &e820.map[i];
 		unsigned long end_pfn;
 
-#ifdef CONFIG_X86_32
 		if (ei->type != E820_RAM)
 			continue;
-#endif
 
 		end_pfn = (ei->addr + ei->size) >> PAGE_SHIFT;
 		if (end_pfn > last_pfn)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/