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On gen2 HyperV VM, hyperv_fb will remove the old framebuffer, and the new allocated framebuffer address could be at a differnt location, and it might be no longer a VGA framebuffer. Update screen_info so that after kexec the kernel won't try to reuse the old invalid/stale framebuffer address as VGA, corrupting memory. [ mingo: Tidied up the changelog. ] Signed-off-by: Kairui Song <kasong@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Dexuan Cui <decui@microsoft.com> Cc: Jake Oshins <jakeo@microsoft.com> Cc: Wei Hu <weh@microsoft.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Link: https://lore.kernel.org/r/20201014092429.1415040-3-kasong@redhat.com |
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| .. | ||
| backlight | ||
| console | ||
| fbdev | ||
| logo | ||
| display_timing.c | ||
| hdmi.c | ||
| Kconfig | ||
| Makefile | ||
| of_display_timing.c | ||
| of_videomode.c | ||
| vgastate.c | ||
| videomode.c | ||