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| author | Rusty Russell <rusty@rustcorp.com.au> | 2013-04-22 06:40:37 +0200 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2013-04-22 08:01:33 +0200 |
| commit | 406a590ba105bfb7b67952f0a5f948e0d374e03e (patch) | |
| tree | 97fbf193d865ff2fa1b1ab209589c1d456f89fa5 /drivers/lguest/x86 | |
| parent | virtio: console: replace EMFILE with EBUSY for already-open port (diff) | |
| download | linux-406a590ba105bfb7b67952f0a5f948e0d374e03e.tar.xz linux-406a590ba105bfb7b67952f0a5f948e0d374e03e.zip | |
lguest: prepare to make SWITCHER_ADDR a variable.
We currently use the whole top PGD entry for the switcher, but that's
hitting the fixmap in some configurations (mainly, large NR_CPUS).
Introduce a variable, currently set to the constant.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/lguest/x86')
| -rw-r--r-- | drivers/lguest/x86/core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c index 4af12e1844d5..20fae765d600 100644 --- a/drivers/lguest/x86/core.c +++ b/drivers/lguest/x86/core.c @@ -59,14 +59,14 @@ static struct { /* Offset from where switcher.S was compiled to where we've copied it */ static unsigned long switcher_offset(void) { - return SWITCHER_ADDR - (unsigned long)start_switcher_text; + return switcher_addr - (unsigned long)start_switcher_text; } /* This cpu's struct lguest_pages. */ static struct lguest_pages *lguest_pages(unsigned int cpu) { return &(((struct lguest_pages *) - (SWITCHER_ADDR + SHARED_SWITCHER_PAGES*PAGE_SIZE))[cpu]); + (switcher_addr + SHARED_SWITCHER_PAGES*PAGE_SIZE))[cpu]); } static DEFINE_PER_CPU(struct lg_cpu *, lg_last_cpu); |