| commit | 0193c62c94643a837832f2b5ccc133434ee740cb | |
| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | |
| Fri, 17 Jan 2014 15:28:18 +0000 (17 15:28 +0000) | ||
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | |
| Fri, 17 Jan 2014 15:28:18 +0000 (17 15:28 +0000) | ||
| tree | c859a3aa0b8ff27169c8fa34c9fceadea5cd4f37 | treesnapshot (tar.gz zip) |
| parent | 1cf892ca2689c84960b4ce4d2723b6bee453711c | commitdiff |
xenfb: map framebuffer read-only and handle unmap errors
The framebuffer is needlessly mapped (PROT_READ | PROT_WRITE), map it
PROT_READ instead.
The framebuffer is unmapped by replacing the framebuffer pages with
anonymous shared memory, calling mmap. Check for return errors and print
a warning.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
The framebuffer is needlessly mapped (PROT_READ | PROT_WRITE), map it
PROT_READ instead.
The framebuffer is unmapped by replacing the framebuffer pages with
anonymous shared memory, calling mmap. Check for return errors and print
a warning.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
| hw/display/xenfb.c | diffblobblamehistory |