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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2005-07-31 22:34:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-08-01 19:14:00 -0700 |
| commit | 57ee67af35183c60e924ebb6d6b3e1d2d9c03366 (patch) | |
| tree | 05ede7060812b3e07fec1cea199b10e60039aa6a | |
| parent | 1caf1f0f187d99eb898bdc216de5a761740fe814 (diff) | |
| download | linux-3.10-57ee67af35183c60e924ebb6d6b3e1d2d9c03366.tar.gz linux-3.10-57ee67af35183c60e924ebb6d6b3e1d2d9c03366.tar.bz2 linux-3.10-57ee67af35183c60e924ebb6d6b3e1d2d9c03366.zip | |
[PATCH] ppc64: Fix CONFIG_ALTIVEC not set
The code that sets the altivec capability of the CPU based on firmware
informations can enable altivec when the kernel has CONFIG_ALTIVEC
disabled. This results in "interesting" crashes.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/ppc64/kernel/prom.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/ppc64/kernel/prom.c b/arch/ppc64/kernel/prom.c index 47727a6f734..5aca01ddd81 100644 --- a/arch/ppc64/kernel/prom.c +++ b/arch/ppc64/kernel/prom.c @@ -916,6 +916,7 @@ static int __init early_init_dt_scan_cpus(unsigned long node, } } +#ifdef CONFIG_ALTIVEC /* Check if we have a VMX and eventually update CPU features */ prop = (u32 *)get_flat_dt_prop(node, "ibm,vmx", NULL); if (prop && (*prop) > 0) { @@ -929,6 +930,7 @@ static int __init early_init_dt_scan_cpus(unsigned long node, cur_cpu_spec->cpu_features |= CPU_FTR_ALTIVEC; cur_cpu_spec->cpu_user_features |= PPC_FEATURE_HAS_ALTIVEC; } +#endif /* CONFIG_ALTIVEC */ /* * Check for an SMT capable CPU and set the CPU feature. We do |