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H A D | vmlinux.lds.S | 7ac41ccf Mon Aug 30 13:10:02 CDT 2010 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> x86, iommu: Fix IOMMU_INIT alignment rules
This boot crash was observed:
DMA-API: preallocated 32768 debug entries DMA-API: debugging enabled by kernel config BUG: unable to handle kernel paging request at 19da8955 IP: [<f4ffffff>] 0xf4ffffff *pde = 00000000
The crux of the failure was that even if we did not use any of the .iommu_table section, the linker would still insert it in the vmlinux file. This patch fixes that and also fixes the runtime crash where we would try to access the array.
Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Joerg Roedel <joerg.roedel@amd.com> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> LKML-Reference: <1283191802-25086-1-git-send-email-konrad.wilk@oracle.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> 7ac41ccf Mon Aug 30 13:10:02 CDT 2010 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> x86, iommu: Fix IOMMU_INIT alignment rules This boot crash was observed: DMA-API: preallocated 32768 debug entries DMA-API: debugging enabled by kernel config BUG: unable to handle kernel paging request at 19da8955 IP: [<f4ffffff>] 0xf4ffffff *pde = 00000000 The crux of the failure was that even if we did not use any of the .iommu_table section, the linker would still insert it in the vmlinux file. This patch fixes that and also fixes the runtime crash where we would try to access the array. Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Joerg Roedel <joerg.roedel@amd.com> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> LKML-Reference: <1283191802-25086-1-git-send-email-konrad.wilk@oracle.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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