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| author | Steve French <sfrench@us.ibm.com> | 2008-03-01 18:29:55 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2008-03-01 18:29:55 +0000 |
| commit | 0dbd888936a23514716b8d944775bc56f731363a (patch) | |
| tree | a2c60cdc45bdcbed47680731fa8188bffe58c098 /arch/x86/boot/memory.c | |
| parent | 0b442d2c28479332610c46e1a74e5638ab63a97d (diff) | |
| parent | d395991c117d43bfca97101a931a41d062a93852 (diff) | |
| download | kernel-crypto-0dbd888936a23514716b8d944775bc56f731363a.tar.gz kernel-crypto-0dbd888936a23514716b8d944775bc56f731363a.tar.xz kernel-crypto-0dbd888936a23514716b8d944775bc56f731363a.zip | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/x86/boot/memory.c')
| -rw-r--r-- | arch/x86/boot/memory.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c index 378353956b5..e77d89f9e8a 100644 --- a/arch/x86/boot/memory.c +++ b/arch/x86/boot/memory.c @@ -37,6 +37,12 @@ static int detect_memory_e820(void) "=m" (*desc) : "D" (desc), "d" (SMAP), "a" (0xe820)); + /* BIOSes which terminate the chain with CF = 1 as opposed + to %ebx = 0 don't always report the SMAP signature on + the final, failing, probe. */ + if (err) + break; + /* Some BIOSes stop returning SMAP in the middle of the search loop. We don't know exactly how the BIOS screwed up the map at that point, we might have a @@ -47,9 +53,6 @@ static int detect_memory_e820(void) break; } - if (err) - break; - count++; desc++; } while (next && count < E820MAX); |