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| author | bmah <bmah@FreeBSD.org> | 2001-01-18 17:25:34 +0000 |
|---|---|---|
| committer | bmah <bmah@FreeBSD.org> | 2001-01-18 17:25:34 +0000 |
| commit | 57c420bc7b7fa7114d2a7c0a9ea9457387fc544a (patch) | |
| tree | 360ad583b0720cad7d13f4cc0f4823b52cf638b5 /release | |
| parent | 24425e5600fdcc903b000049e808716b292e7cef (diff) | |
| download | FreeBSD-src-57c420bc7b7fa7114d2a7c0a9ea9457387fc544a.zip FreeBSD-src-57c420bc7b7fa7114d2a7c0a9ea9457387fc544a.tar.gz | |
Document I386_CPU kernel options, and note removal of I386_CPU
from the GENERIC kernel.
Reviewed by: peter, jhb
Diffstat (limited to 'release')
| -rw-r--r-- | release/texts/i386/RELNOTES.TXT | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/release/texts/i386/RELNOTES.TXT b/release/texts/i386/RELNOTES.TXT index fd31114..fda3d36 100644 --- a/release/texts/i386/RELNOTES.TXT +++ b/release/texts/i386/RELNOTES.TXT @@ -308,6 +308,17 @@ interface. [MERGED] A bug in the NFS client that caused bogus access times with O_EXCL|O_CREAT opens was fixed. [MERGED] +Support for the 80386 processor has been removed from the GENERIC +kernel, as this code seriously pessimizes performance on other ia32 +processors. + +The I386_CPU kernel option to support the 80386 processor is now mutually +exclusive with support for other ia32 processors; this should slightly +improve performance on the 80386 due to the elimination of runtime +processor type checks. + +Custom kernels that will run on the 80386 can still be built by changing +the cpu options in the kernel configuration file to only include I386_CPU. 1.2. SECURITY FIXES |
