diff options
| author | Rusty Russell <rusty@rustcorp.com.au> | 2009-01-01 02:42:14 +0300 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-01-01 02:42:14 +0300 |
| commit | 6aaa8ce523c7ce954b81b8c0b3e32c8be599af8d (patch) | |
| tree | 9d0ac33fb20cab7b1a7503b94889d70d69700c84 /drivers/pnp | |
| parent | e9690a6e4b1615cb0102e425e04b7ce29e7858e2 (diff) | |
| download | linux-6aaa8ce523c7ce954b81b8c0b3e32c8be599af8d.tar.xz | |
percpu: fix percpu accessors to potentially !cpu_possible() cpus: pnpbios
Impact: CPU iterator bugfixes
Percpu areas are only allocated for possible cpus. In general, you
shouldn't access random cpu's percpu areas.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Adam Belay <ambx1@neo.rr.com>
Diffstat (limited to 'drivers/pnp')
| -rw-r--r-- | drivers/pnp/pnpbios/bioscalls.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c index 7ff824496b39..7e6b5a3b3281 100644 --- a/drivers/pnp/pnpbios/bioscalls.c +++ b/drivers/pnp/pnpbios/bioscalls.c @@ -481,7 +481,7 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header) set_base(bad_bios_desc, __va((unsigned long)0x40 << 4)); _set_limit((char *)&bad_bios_desc, 4095 - (0x40 << 4)); - for (i = 0; i < NR_CPUS; i++) { + for_each_possible_cpu(i) { struct desc_struct *gdt = get_cpu_gdt_table(i); if (!gdt) continue; |