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authorJiri Kosina <jkosina@suse.cz>2013-12-19 15:08:03 +0100
committerJiri Kosina <jkosina@suse.cz>2013-12-19 15:08:32 +0100
commite23c34bb41da65f354fb7eee04300c56ee48f60c (patch)
tree549fbe449d55273b81ef104a9755109bf4ae7817 /arch/tile/kernel/tlb.c
parentb481c2cb3534c85dca625973b33eba15f9af3e4c (diff)
parent319e2e3f63c348a9b66db4667efa73178e18b17d (diff)
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply fixes on top of newer things in tree (efi-stub). Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'arch/tile/kernel/tlb.c')
-rw-r--r--arch/tile/kernel/tlb.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/tile/kernel/tlb.c b/arch/tile/kernel/tlb.c
index 3fd54d5bbd4c..f23b53515671 100644
--- a/arch/tile/kernel/tlb.c
+++ b/arch/tile/kernel/tlb.c
@@ -91,8 +91,14 @@ void flush_tlb_all(void)
}
}
+/*
+ * Callers need to flush the L1I themselves if necessary, e.g. for
+ * kernel module unload. Otherwise we assume callers are not using
+ * executable pgprot_t's. Using EVICT_L1I means that dataplane cpus
+ * will get an unnecessary interrupt otherwise.
+ */
void flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
- flush_remote(0, HV_FLUSH_EVICT_L1I, cpu_online_mask,
+ flush_remote(0, 0, NULL,
start, end - start, PAGE_SIZE, cpu_online_mask, NULL, 0);
}