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| author | Luke Shumaker | 2017-12-28 19:08:11 +0100 |
|---|---|---|
| committer | Laurent Vivier | 2018-03-13 15:02:20 +0100 |
| commit | aac362e46f13305fd9b4abfe7d0068595d4555f2 (patch) | |
| tree | b5e4b027ccc5c8cb1f03ac6fc9983d0dc07ee79b /util/qemu-timer.c | |
| parent | linux-user: init_guest_space: Clean up control flow a bit (diff) | |
| download | qemu-aac362e46f13305fd9b4abfe7d0068595d4555f2.tar.gz qemu-aac362e46f13305fd9b4abfe7d0068595d4555f2.tar.xz qemu-aac362e46f13305fd9b4abfe7d0068595d4555f2.zip | |
linux-user: init_guest_space: Don't try to align if we'll reject it
If the ensure-alignment code gets triggered, then the
"if (host_start && real_start != current_start)" check will always trigger,
so save 2 syscalls and put that check first.
Note that we can't just switch to using MAP_FIXED for that check, because
then we couldn't differentiate between a failure because "there isn't
enough space" and "there isn't enough space *here*".
Signed-off-by: Luke Shumaker <lukeshu@parabola.nu>
Message-Id: <20171228180814.9749-9-lukeshu@lukeshu.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'util/qemu-timer.c')
0 files changed, 0 insertions, 0 deletions