diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1999-01-03 17:49:53 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 1999-01-03 17:49:53 +0000 |
| commit | eb7a5bf93aaa4be1d7c6181100ab7639e74d67f7 (patch) | |
| tree | 5746fea1605ff013be9b78a1556aaad7615d664a /arch/i386/mm/init.c | |
| parent | 80ea5b1e15398277650e1197957053b5a71c08bc (diff) | |
Merge with Linux 2.1.131 plus some more MIPS goodies.
Diffstat (limited to 'arch/i386/mm/init.c')
| -rw-r--r-- | arch/i386/mm/init.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c index aed7ecc55..693072b1a 100644 --- a/arch/i386/mm/init.c +++ b/arch/i386/mm/init.c @@ -293,11 +293,18 @@ __initfunc(unsigned long paging_init(unsigned long start_mem, unsigned long end_ * extended bios data area. * * there is a real-mode segmented pointer pointing to the - * 4K EBDA area at 0x40E, calculate and scan it here: + * 4K EBDA area at 0x40E, calculate and scan it here. + * + * NOTE! There are Linux loaders that will corrupt the EBDA + * area, and as such this kind of SMP config may be less + * trustworthy, simply because the SMP table may have been + * stomped on during early boot. */ address = *(unsigned short *)phys_to_virt(0x40E); address<<=4; smp_scan_config(address, 0x1000); + if (smp_found_config) + printk(KERN_WARNING "WARNING: MP table in the EBDA can be UNSAFE, contact linux-smp@vger.rutgers.edu if you experience SMP problems!\n"); } #endif start_mem = PAGE_ALIGN(start_mem); |