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| author | Tim Deegan <Tim.Deegan@citrix.com> | 2011-06-02 13:16:52 +0100 |
|---|---|---|
| committer | Tim Deegan <Tim.Deegan@citrix.com> | 2011-06-02 13:16:52 +0100 |
| commit | eca988de7381e5efe58792dc166611e4523d33b3 (patch) | |
| tree | 7cbe42ffc5c067e6bdd193356bb80e81132e13b2 /xen/include/asm-x86/p2m.h | |
| parent | 5bf494a7bf3674f32ebaab1b70b76e5f174812a3 (diff) | |
| download | xen-eca988de7381e5efe58792dc166611e4523d33b3.tar.gz xen-eca988de7381e5efe58792dc166611e4523d33b3.tar.bz2 xen-eca988de7381e5efe58792dc166611e4523d33b3.zip | |
x86/mm: merge the shadow, hap and log-dirty locks into a single paging lock.
This will allow us to simplify the locking around calls between
hap/shadow and log-dirty code. Many log-dirty paths already need the
shadow or HAP lock so it shouldn't increase contention that much.
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
Diffstat (limited to 'xen/include/asm-x86/p2m.h')
| -rw-r--r-- | xen/include/asm-x86/p2m.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/xen/include/asm-x86/p2m.h b/xen/include/asm-x86/p2m.h index 1f92b0c20b..0b4fa905d7 100644 --- a/xen/include/asm-x86/p2m.h +++ b/xen/include/asm-x86/p2m.h @@ -337,8 +337,8 @@ static inline mfn_t gfn_to_mfn_type(struct domain *d, /* Syntactic sugar: most callers will use one of these. * N.B. gfn_to_mfn_query() is the _only_ one guaranteed not to take the - * p2m lock; none of the others can be called with the p2m, hap or - * shadow lock held. */ + * p2m lock; none of the others can be called with the p2m or paging + * lock held. */ #define gfn_to_mfn(d, g, t) gfn_to_mfn_type((d), (g), (t), p2m_alloc) #define gfn_to_mfn_query(d, g, t) gfn_to_mfn_type((d), (g), (t), p2m_query) #define gfn_to_mfn_guest(d, g, t) gfn_to_mfn_type((d), (g), (t), p2m_guest) |