x86: change init_gdt to update the gdt via write_gdt, rather than a direct write.

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By writing directly, a memory access violation can occur whilst
hotplugging a CPU if the entry was previously marked read-only.

Signed-off-by: Alex Nixon <alex.nixon@citrix.com>
Cc: Jeremy Fitzhardinge <Jeremy.Fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Alex Nixon 2008-08-15 17:21:14 +01:00 • committed by Ingo Molnar

parent 529d0e402e

commit fc0091b3c8

1 changed files with 10 additions and 7 deletions

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17

arch/x86/kernel/smpcommon.c

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