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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-03-25 02:43:21 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 19:41:29 +0400 |
| commit | d93c870bad38e8daaaf9f7e900a13431f24becbb (patch) | |
| tree | 9fa51e506bf6cddf362b25dfb2048941c8f24e1e /include | |
| parent | 687c80540975709844699d9a96070e2cf3bad39d (diff) | |
| download | linux-d93c870bad38e8daaaf9f7e900a13431f24becbb.tar.xz | |
x86: only enable interrupts when kernel state has been set up
The sysenter path tries to enable interrupts immediately. Unfortunately
this doesn't work in a paravirt environment, because not enough kernel
state has been set up at that point (namely, pointing %fs to the kernel
percpu data segment). To fix this, defer ENABLE_INTERRUPTS until after
the kernel state has been set up.
Unfortunately this means that we're running with interrupts disabled
for a while without calling the IRQ tracing code, but that can't be
called without setting up %fs either.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions
