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linux-user: Don't reserve space for commpage for AArch64

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AArch64 Linux, unlike AArch32, doesn't use a commpage. This means we
should not be reserving room in the guest address space for one.
Fixes LP:1287195.

Reported-by: Amanieu d'Antras <amanieu@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
This commit is contained in:
Peter Maydell 2014-03-10 12:59:17 +00:00 committed by Riku Voipio
parent 8d5d30046b
commit 6b1275ff15
1 changed files with 4 additions and 1 deletions
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5
linux-user/elfload.c
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@ -352,6 +352,9 @@ enum
ARM_HWCAP_ARM_VFPv3D16 = 1 << 13,
};
#ifndef TARGET_AARCH64
/* The commpage only exists for 32 bit kernels */
#define TARGET_HAS_VALIDATE_GUEST_SPACE
/* Return 1 if the proposed guest space is suitable for the guest.
* Return 0 if the proposed guest space isn't suitable, but another
@ -411,7 +414,7 @@ static int validate_guest_space(unsigned long guest_base,
return 1; /* All good */
}
#endif
#define ELF_HWCAP get_elf_hwcap()