mirror of
https://src.fedoraproject.org/rpms/grub2.git
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58fe9aa736
- Clean up the build a bit to make it faster - Make grubenv work right on UEFI machines Related: rhbz#1119943 - Sort debug and rescue kernels later than normal ones Related: rhbz#1065360 - Allow "fallback" to include entries by title as well as number. Related: rhbz#1026084 - Fix a segfault on aarch64. - Load arm with SB enabled if available. - Add some serial port options to GRUB_MODULES. Signed-off-by: Peter Jones <pjones@redhat.com>
62 lines
2.2 KiB
Diff
62 lines
2.2 KiB
Diff
From 3f00de9c207fb4b3f9e45fd775650404ce087aac Mon Sep 17 00:00:00 2001
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From: Vladimir Serbinenko <phcoder@gmail.com>
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Date: Wed, 29 Jan 2014 23:46:17 +0100
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Subject: [PATCH 053/152] * grub-core/disk/ahci.c: Add safety cleanups.
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---
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ChangeLog | 4 ++++
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grub-core/disk/ahci.c | 10 ++++++++++
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2 files changed, 14 insertions(+)
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diff --git a/ChangeLog b/ChangeLog
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index 9bb1817..15300b0 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,5 +1,9 @@
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2014-01-29 Vladimir Serbinenko <phcoder@gmail.com>
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+ * grub-core/disk/ahci.c: Add safety cleanups.
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+
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+2014-01-29 Vladimir Serbinenko <phcoder@gmail.com>
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+
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* grub-core/disk/ahci.c: Allocate and clean space for all possible 32
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slots to avoid pointing to uninited area.
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diff --git a/grub-core/disk/ahci.c b/grub-core/disk/ahci.c
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index d63fd09..643e691 100644
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--- a/grub-core/disk/ahci.c
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+++ b/grub-core/disk/ahci.c
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@@ -454,6 +454,7 @@ grub_ahci_pciinit (grub_pci_device_t dev,
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adevs[i]->hba->ports[adevs[i]->port].fis_base = grub_dma_get_phys (adevs[i]->rfis);
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adevs[i]->hba->ports[adevs[i]->port].command_list_base
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= grub_dma_get_phys (adevs[i]->command_list_chunk);
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+ adevs[i]->hba->ports[adevs[i]->port].command_issue = 0;
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adevs[i]->hba->ports[adevs[i]->port].command |= GRUB_AHCI_HBA_PORT_CMD_FRE;
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}
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@@ -600,6 +601,9 @@ grub_ahci_pciinit (grub_pci_device_t dev,
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failed_adevs[i] = adevs[i];
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adevs[i] = 0;
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}
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+
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+ grub_dprintf ("ahci", "cleaning up failed devs\n");
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+
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for (i = 0; i < nports; i++)
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if (failed_adevs[i] && (fr_running & (1 << i)))
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failed_adevs[i]->hba->ports[failed_adevs[i]->port].command &= ~GRUB_AHCI_HBA_PORT_CMD_FRE;
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@@ -855,6 +859,12 @@ grub_ahci_reset_port (struct grub_ahci_device *dev, int force)
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{
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struct grub_disk_ata_pass_through_parms parms2;
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dev->hba->ports[dev->port].command &= ~GRUB_AHCI_HBA_PORT_CMD_ST;
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+ dev->hba->ports[dev->port].command_issue = 0;
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+ dev->command_list[0].config = 0;
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+ dev->command_table[0].prdt[0].unused = 0;
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+ dev->command_table[0].prdt[0].size = 0;
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+ dev->command_table[0].prdt[0].data_base = 0;
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+
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endtime = grub_get_time_ms () + 1000;
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while ((dev->hba->ports[dev->port].command & GRUB_AHCI_HBA_PORT_CMD_CR))
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if (grub_get_time_ms () > endtime)
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--
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1.9.3
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