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From: Hiroshi Miura <miura@da-cha.org>
To: Alan Cox <alan@redhat.com>, sfr@canb.auug.org.au,
       linux-kernel@vger.kernel.org
Cc: Pavel Machek <pavel@ucw.cz>, Hiroshi Miura <miura@da-cha.org>
Subject: [PATCH] 2.5.50 apm.c better printk messages about workaround.
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Message-Id: <20021203052819.2988A1178EB@triton2>
Date: Tue,  3 Dec 2002 14:28:19 +0900 (JST)
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Hello,

I post patch about work around for a broken bios.
Pavel comments and i think it is reasonable and better.

this patch fix printk message in 2.5.50.

--- linux-2.5.50/arch/i386/kernel/apm.c	2002-12-03 07:59:30.000000000 +0900
+++ linux-2.5.50-geode/arch/i386/kernel/apm.c	2002-12-03 14:04:11.000000000 +0900
@@ -2054,12 +2054,14 @@
 			_set_limit((char *)&cpu_gdt_table[i][APM_DS >> 3],
 				(apm_info.bios.dseg_len - 1) & 0xffff);
 		      /* workaround for broken BIOSes */
-	                if (apm_info.bios.cseg_len <= apm_info.bios.offset)
+	                if (apm_info.bios.cseg_len <= apm_info.bios.offset) {
         	                _set_limit((char *)&cpu_gdt_table[i][APM_CS >> 3], 64 * 1024 -1);
-                       if (apm_info.bios.dseg_len <= 0x40) { /* 0x40 * 4kB == 64kB */
+				printk(KERN_WARNING "apm: broken bios -- code segment too short, assuming 64k");
+			}
+                        if (apm_info.bios.dseg_len <= 0x40) { /* 0x40 * 4kB == 64kB */
                         	/* for the BIOS that assumes granularity = 1 */
                         	cpu_gdt_table[i][APM_DS >> 3].b |= 0x800000;
-                        	printk(KERN_NOTICE "apm: we set the granularity of dseg.\n");
+                        	printk(KERN_WARNING "apm: broken bios -- assuming granularity 1 on dseg");
         	        }
 		}
 #endif


-- 
Hiroshi Miura  --- http://www.da-cha.org/ 
NTTDATA Corp. Marketing & Business Strategy Planning Dept. --- miurahr@nttdata.co.jp 
Key fingerprint = 9117 9407 5684 FBF1 4063  15B4 401D D077 04AB 8617
-- My hacking life is happy as the day is long

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