forked from SLFO-pool/xen
25 lines
913 B
Diff
25 lines
913 B
Diff
# Commit 77e25f0e30ddd11e043e6fce84bf108ce7de5b6f
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# Date 2024-04-23 14:13:48 +0200
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# Author Jan Beulich <jbeulich@suse.com>
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# Committer Jan Beulich <jbeulich@suse.com>
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x86/MTRR: correct inadvertently inverted WC check
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The ! clearly got lost by mistake.
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Fixes: e9e0eb30d4d6 ("x86/MTRR: avoid several indirect calls")
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Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
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Signed-off-by: Jan Beulich <jbeulich@suse.com>
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Acked-by: Roger Pau Monné <roger.pau@citrix.com>
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--- a/xen/arch/x86/cpu/mtrr/main.c
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+++ b/xen/arch/x86/cpu/mtrr/main.c
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@@ -316,7 +316,7 @@ int mtrr_add_page(unsigned long base, un
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}
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/* If the type is WC, check that this processor supports it */
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- if ((type == X86_MT_WC) && mtrr_have_wrcomb()) {
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+ if ((type == X86_MT_WC) && !mtrr_have_wrcomb()) {
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printk(KERN_WARNING
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"mtrr: your processor doesn't support write-combining\n");
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return -EOPNOTSUPP;
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