Re: [PATCH, -v3] compiler/gcc4: Add quirk for 'asm goto'miscompilation bug

[Fengguang Wu]

Ingo,

After adding more test runs to these kernels, we can see that the boot hangs
happen both before/after patch. So the patch is fine. 

Tested-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>


/kernel/x86_64-randconfig-a1-1009/c015a7f0b746d0a7e18b82876bd2b693722479d2

+-------------------------------------------------+--------------+--------------+
|                                                 | 3354781a2184 | c015a7f0b746 |
+-------------------------------------------------+--------------+--------------+
| good_boots                                      | 1012         | 1067         |
| has_kernel_error_warning                        | 27           | 40           |
| BUG:kernel_early_hang_without_any_printk_output | 14           | 13           |
| BUG:kernel_boot_hang                            | 13           | 27           |
+-------------------------------------------------+--------------+--------------+

/kernel/x86_64-randconfig-a5-1009/c015a7f0b746d0a7e18b82876bd2b693722479d2

+-------------------------------------------------+--------------+--------------+
|                                                 | 3354781a2184 | c015a7f0b746 |
+-------------------------------------------------+--------------+--------------+
| good_boots                                      | 1078         | 1058         |
| has_kernel_error_warning                        | 35           | 13           |
| BUG:kernel_early_hang_without_any_printk_output | 35           | 13           |
+-------------------------------------------------+--------------+--------------+

btw, the boot hangs all happen in one of the test boxes, which is
probably misconfigured or not reliable.

Thanks,
Fengguang
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